Fiche Maths Terminale D : Logarithmes, Exponentielles, Calcul

Telechargรฉ par dirend Tano
FICHE DES TRAVAUX DIRIGES&EVALUATION
CLASSE : TERMINALE D
โžข FONCTION LOGARITHME NEPERIEN
โžข FONCTION EXPONENTIELLE NEPERIENNE
โžข PROBABILITE
โžข STATISTIQUE
โžข CALCUL INTEGRAL
โžข EQUATION DIFFERENTIELLE
โžข EVALUATION CRITERIEE ET DIAGNOSTIQUE
โžข EVALUATION SOMMATIVE
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Cluster Terminale D GPM/ by MOUAHA FRANCIS
GRANDS PROFS DE MATHS
TRAVAUX DIRIGES : FONCTION LOGARITHMES NEPERIEN
๎กญ๎ต†๎€ƒ๎กผ๎ข˜๎ข•๎ข–๎ข˜๎ข๎‚ฑ๎ขš๎‚ฑ๎ข™๎€ƒ๎กญ๎ข’๎ข๎‚ฑ๎ขˆ๎ข˜๎ข๎ข—๎ข›๎ข‹๎ข™
๎กฑ๎ขž๎ข‹๎ข˜๎ข‰๎ข๎ข‰๎ข‹๎€ƒ๎ซš
๎ณ๏ˆป๎€ƒ๎œง๎”๎Œ๎Ž๎…๎‰๎๎Ž๎€ƒ๎๎Š๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎€๎๎€ƒ๎ˆ๎Š๎ด๎€ƒ๎๎๎€ƒ๎ˆ๎Š๎ต
๎œฝ๏ˆป๎€ƒ๎ˆ๎Š๏ˆบ๎บ๎ธ๎ถ๏ˆป ๎‡ข๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎œพ๏ˆป๎€ƒ๎ˆ๎Š๏ˆบ๎ณ๎ถ๎ถ๏ˆป๎ต†๎ˆ๎Š๏ˆบ๎ด๎ถ๎ต๏ˆป ๎‡ข๎€ƒ๎œฟ๏ˆป๎€ƒ๎ˆ๎Š๏ˆบ๎ณ๎ด๎Žพ๎ต๏ˆป๎ต…๎€ƒ๎ˆ๎Š๏ˆบ๎ถ๎Žพ๎ด
๎ด๎น ๏ˆป ๎‡ข๎€ƒ๎€๏ˆป๎€ƒ๎ˆ๎Š๎€ƒ๏ˆบ๎ธ๎ถ๎บ๏ˆป
๎ˆ๎Š๎€ƒ๏ˆบ๎ณ๎บ๎Žพ๎ด
๎ด๏ˆป๎€ƒ๎œต๎…๎‰๎Œ๎ˆ๎…๎‚๎…๎๎Ž๎€ƒ๎œฝ๎‘๎€ƒ๎‰๎œฝ๎”๎…๎‰๎‘๎‰๎€ƒ๎œฟ๎„๎œฝ๎๎‘๎๎€ƒ๎๎”๎Œ๎Ž๎๎๎๎…๎‹๎Š
๎œฝ๏ˆป๎€ƒ๎‚Ž๎‚๎€ƒ๏ˆบ๎๎ฌธ๏ˆป๎ต†๎‚Ž๎‚๎€ƒ๏ˆบ๎๎ฌถ๏ˆป๎ต…๎‚Ž๎‚๎€ƒ๏ˆบ๎Žพ๎๏ˆป ๎‡ข๎€ƒ๎œพ๏ˆป๎€ƒ๎‚Ž๎‚๏ˆบ๎๎ฌน๏ˆป
๎‚Ž๎‚๏ˆบ๎๎ฌท๏ˆป๎‡ข๎€ƒ๎€ƒ๎€ƒ๎œฟ๏ˆป๎€ƒ๎‚Ž๎‚๎€ƒ๏ˆบ๎๎ฌถ๎Žพ๎๏ˆป๎ต…๎€ƒ๎‚Ž๎‚๎€ƒ๏ˆบ๎ณ
๎๏ˆป๎‡ข๎€ƒ๎€๏ˆป๎€ƒ๏ˆพ๎‚Ž๎‚๏ˆบ๎๎ฌท๏ˆป๏ˆฟ๎พ
๎กบ๎กฎ๎‡ฃ๎€ƒ๎œฑ๎Š๎€ƒ๎Ž๎œฝ๎Œ๎Œ๎๎ˆ๎ˆ๎๎€ƒ๎๎‘๎๎€ƒ๎‚Ž๎‚๎€ƒ๎๎ฏก๎ตŒ๎Š ๎๎๎€ƒ๎๎˜„๎ด๎‡ก๎น๎ด
๎€ƒ๎€ƒ ๎กฑ๎ขž๎ข‹๎ข˜๎ข‰๎ข๎ข‰๎ข‹๎€ƒ๎ซ›๎‡ฃ๎€ƒ๎œด๎‚ฑ๎Œ๎‹๎Š๎€๎Ž๎๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๎’๎Ž๎œฝ๎…๎€ƒ๎‹๎‘๎€ƒ๎‚๎œฝ๎‘๎”๎€ƒ๎๎Š๎€ƒ๎†๎‘๎๎๎…๎‚๎…๎œฝ๎Š๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎Ž๎‚ฑ๎Œ๎‹๎Š๎๎
๎œฝ๏ˆป๎€ƒ๎œฒ๎‹๎‘๎Ž๎€ƒ๎๎‹๎‘๎๎€ƒ๎Ž๎‚ฑ๎๎ˆ๎€ƒ๎”๎€ƒ๎๎๎Ž๎…๎œฟ๎๎๎‰๎๎Š๎๎€ƒ๎Œ๎‹๎๎…๎๎…๎‚๎‡ก๎‹๎Š๎€ƒ๎œฝ ๎‡ฃ๎€ƒ๎‚Ž๎‚๎€ƒ๏ˆบ๎”๎พ๏ˆป๎ต…๎€ƒ๎‚Ž๎‚๎€ƒ๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ˆ๎Š๏ˆพ๎”๏ˆบ๎”๎ต…๎ณ๏ˆป๏ˆฟ
๎€ƒ๎€ƒ๎€ƒ๎œพ๏ˆป๎€ƒ๎Œ๎‹๎‘๎Ž๎€ƒ๎€ƒ๎๎‹๎‘๎๎€ƒ๎Ž๎‚ฑ๎๎ˆ๎€ƒ๎œฝ๎€ƒ๎๎๎€ƒ๎๎‹๎‘๎๎€ƒ๎Ž๎‚ฑ๎๎ˆ๎€ƒ๎œพ๎‡ก๎‹๎Š๎€ƒ๎œฝ ๎‡ฃ๎€ƒ๎ˆ๎Š๏ˆบ๎๎ฏ”๎ต…๎๎ฏ•๏ˆป๎ตŒ๎€ƒ๎œฝ๎ต…๎œพ
๎œฟ๏ˆป๎€ƒ๎Œ๎‹๎‘๎Ž๎€ƒ๎๎‹๎‘๎๎€ƒ๎Ž๎‚ฑ๎๎ˆ๎€ƒ๎” ๎‡ก๎‹๎Š๎€ƒ๎œฝ ๎‡ฃ๎€ƒ ๎ฌถ๎ฐฎ๎ณฃ
๎ฌท๎ณฃ๎ฐท๎ฐญ๎€ƒ๎ตŒ๎€ƒ๎ต๎ตˆ๏‰€๎ฌธ
๎ฌท๏‰๎ฏซ
๎€ƒ๎€๏ˆป๎€ƒ๎ˆ๎Š๏ˆบ๎๎ฌท๏ˆป๎ต…๎ˆ๎Š๏ˆบ๎๎ฌถ๏ˆป๎ตŒ๎ท
๎๏ˆป๎€ƒ๏ˆป๎ˆ๎Š๎ตซ๎Žพ๎ด๎ต…๎ณ๎ตฏ๎ต…๎ˆ๎Š๎€ƒ๏ˆบ๎Žพ๎ด๎ต†๎ณ๏ˆป๎ตŒ๎ฒ
๎กฎ๎ต†๎€ƒ๎กฑ๎ข—๎ข›๎ข‡๎ขš๎ข๎ข•๎ข”๎ข™๎€ƒ๎ข‹๎ขš๎€ƒ๎ข๎ข”๎‚ฑ๎ข—๎ข›๎ข‡๎ขš๎ข๎ข•๎ข”๎ข™
๎กฑ๎ขž๎ข‹๎ข˜๎ข‰๎ข๎ข‰๎ข‹๎€ƒ๎ซš๎—ท๎€ƒ๎กพ๎‚ฑ๎ข™๎ข•๎ข›๎ขŠ๎ข˜๎ข‹๎€ƒ๎ขŠ๎ข‡๎ข”๎ข™๎€ƒ๎”น๎€ƒ๎ข’๎ข‹๎ข™๎€ƒ๎ข‹๎ข—๎ข›๎ข‡๎ขš๎ข๎ข•๎ข”๎ข™๎€ƒ๎ข‹๎ขš๎€ƒ๎ข๎ข”๎‚ฑ๎ข—๎ข›๎ข‡๎ขš๎ข๎ข•๎ข”๎ข™๎€ƒ๎ข™๎ข›๎ข๎ขœ๎ข‡๎ข”๎ขš๎ข‹๎ข™
๎œฝ๏ˆป๎€ƒ๎ˆ๎Š๏ˆบ๎ท๎”๎ต…๎ต๏ˆป๎€ƒ๎ตŒ๎€ƒ๎ˆ๎Š๏ˆบ๎ท๎ต†๎”๏ˆป
๎œพ๏ˆป๎€ƒ๎ˆ๎Š๏ˆบ๎”๎ต…๎ด๏ˆป๎ต†๎ˆ๎Š๏ˆบ๎ท๎ต†๎ด๎”๏ˆป๎ตŒ๎ˆ๎Š๏ˆบ๎”๎ต… ๎ต๏ˆป
๎€ƒ๎œฟ๏ˆป๎€ƒ๎ˆ๎Š๏‰€๎ฏซ๎ฌพ๎ฌท
๎ฌถ๎ฏซ๎ฌพ๎ฌถ๏‰๎ต๎€ƒ๎ณ
๎€๏ˆป๎€ƒ๎ˆ๎Š๏‰€๎ฏซ๎พ๎ฌฟ๎ฌถ๎ฏซ๎ฌพ๎ฌถ
๎ฏซ๎ฌพ๎ฌท ๏‰๎ต’๎€ƒ๎€ƒ๎ˆ๎Š๎€ƒ๏ˆบ๎ด๎”๎ต†๎ณ๏ˆป
๎œด๎œฝ๎Œ๎Œ๎๎ˆ ๎‡ฃ๎€ƒ๎œต๎‹๎…๎๎€ƒ๎œฝ๎€ƒ๎๎๎€ƒ๎œพ๎€ƒ๎€๎๎‘๎”๎€ƒ๎Ž๎‚ฑ๎๎ˆ๎๎€ƒ๎๎๎Ž๎…๎œฟ๎๎๎‰๎๎Š๎๎€ƒ๎Œ๎‹๎๎…๎๎…๎‚๎
- ๎ˆ๎Š๎œฝ๎ตŒ๎ˆ๎Š๎œพ๎€ƒ๎ธป๎€ƒ๎œฝ๎ตŒ๎œพ๎€ƒ๎€ƒ๎€ƒ๎‡ข๎€ƒ๎€ƒ๎ˆ๎Š๎œฝ๎ต๎ˆ๎Š๎œพ๎€ƒ๎ธป๎œฝ๎ต๎œพ
๎กฑ๎ขž๎ข‹๎ข˜๎ข‰๎ข๎ข‰๎ข‹๎€ƒ๎ซ› ๎‡ฃ๎€ƒ๎œด๎‚ฑ๎๎‹๎‘๎€๎Ž๎๎€ƒ๎€๎œฝ๎Š๎๎€ƒ๎”น๎พ๎€ƒ๎ˆ๎๎๎€ƒ๎๎•๎๎๎‚ฐ๎‰๎๎๎€ƒ๎œฟ๎…๎ต†๎€๎๎๎๎‹๎‘๎ ๎‡ฃ
1) ๎ตœ๎”๎ต…๎•๎ตŒ๎ท
๎ˆ๎Š๎”๎ต…๎ˆ๎Š๎•๎ตŒ๎ˆ๎Š๎ธ
2) ๏‰Š๎ˆ๎Š๎”๎ต…๎ˆ๎Š๎•๎ตŒ๎ต
๎ฏŸ๎ฏก๎ฏซ
๎ฏŸ๎ฏก๎ฏฌ ๎ตŒ๎ต
3) ๎ตœ๎”๎•๎ตŒ๎๎พ
๎‚Ž๎‚๏ˆบ๎”๎ต…๎•๏ˆป๎ตŒ๎ณ๎ต…๎ˆ๎Š๎ด
4) ๏‰„๎ต๎ฏซ๎ต†๎ด๎ฏฌ๎ฌพ๎ฌต ๎ตŒ๎ด
๎ต๎ฏซ๎ฌพ๎ฌต ๎ต†๎ท๎ตˆ๎ด๎ฏฌ๎ตŒ๎ณ๎ณ ๎กฏ๎ต†๎€ƒ๎กฐ๎‚ฑ๎ข˜๎ข๎ขœ๎‚ฑ๎ข‹๎ข™
๎กฑ๎ขž๎ข‹๎ข˜๎ข‰๎ข๎ข‰๎ข‹๎€ƒ๎ซš ๎‡ฃ๎€ƒ๎€‡๎‚ฑ๎‚–๎‚‡๎‚”๎‚๎‚‹๎‚๎‚‡๎‚”๎€ƒ๎‚Ž๎‡ฏ๎‚‡๎‚๎‚•๎‚‡๎‚๎‚„๎‚Ž๎‚‡๎€ƒ๎€‡๎€ƒ๎‚†๎‚‡๎‚•๎€ƒ๎‚”๎‚ฑ๎‚ฑ๎‚Ž๎‚•๎€ƒ๎‚‡๎‚๎€ƒ๎‚Ž๎‚‡๎‚•๎‚“๎‚—๎‚‡๎‚Ž๎‚•๎€ƒ๎‚Ž๎‚ƒ๎€ƒ๎‚ˆ๎‚‘๎‚๎‚…๎‚–๎‚‹๎‚‘๎‚๎‚•๎€ƒ๎‚ˆ๎€ƒ๎‚‡๎‚•๎‚–๎€ƒ๎‚†๎‚ฑ๎‚”๎‚‹๎‚˜๎‚ƒ๎‚„๎‚Ž๎‚‡๎€ƒ
puis ๎‚†๎‚ฑ๎‚–๎‚‡๎‚”๎‚๎‚‹๎‚๎‚‡๎‚”๎€ƒ๎‚Ž๎‚ƒ๎€ƒ๎‚†๎‚ฑ๎‚”๎‚‹๎‚˜๎‚ฑ๎‚‡๎€ƒ๎‚ˆ๎‡ฏ๎€ƒ๎‚†๎‚‡๎€ƒ๎‚ˆ๎‡ค
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Cluster Terminale D GPM/ by MOUAHA FRANCIS
๎œฝ๏ˆป๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ˆ๎Š๏ˆบ๎”๎ฌท๎ต…๎ณ๏ˆป
๎œพ๏ˆป๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๏ˆบ๎”๎พ๎ต…๎ด๏ˆป๎€ƒ๎ˆ๎Š๏ˆบ๎”๎พ๎ต…๎ด๏ˆป
๎œฟ๏ˆป๎€ƒ๎‚๎€ƒ๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ˆ๎Š๏ˆบ๎ถฅ๎”๎พ๎ต…๎ณ๎ต†๎”๏ˆป
๎€๏ˆป๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ฌถ๎ฌพ๎ฏŸ๎ฏก๎ฏซ
๎ฌต๎ฌฟ๎ฏŸ๎ฏก๎ฏซ
Rappel : Soit U une fonction dรฉrivable et strictement positive sur un intervalle K. La
fonction ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎ˆ๎Š๎œท๏ˆบ๎”๏ˆป est dรฉrivable sur K et on ๎œฝ๎€ƒ๎‚๎‡ฏ๏ˆบ๎”๏ˆป=๎ฏŽ๏‡ฑ๏ˆบ๎ฏซ๏ˆป
๎ฏŽ๏ˆบ๎ฏซ๏ˆป
๎กฑ๎ขž๎ข‹๎ข˜๎ข‰๎ข๎ข‰๎ข‹๎€ƒ๎ซ› ๎‡ฃ Dรฉterminer l๎‡ฏ๎‚‡๎‚๎‚•๎‚‡๎‚๎‚„๎‚Ž๎‚‡๎€ƒ๎€‡๎€ƒ๎‚†๎‚‡๎‚•๎€ƒ๎‚”๎‚ฑ๎‚ฑ๎‚Ž๎‚•๎€ƒ๎‚‡๎‚๎€ƒ๎‚Ž๎‚‡๎‚•๎‚“๎‚—๎‚‡ls la fonctions f est dรฉrivable
๎‚’๎‚—๎‚‹๎‚•๎€ƒ๎‚†๎‚ฑ๎‚–๎‚‡๎‚”๎‚๎‚‹๎‚๎‚‡๎‚”๎€ƒ๎‚Ž๎‚ƒ๎€ƒ๎‚†๎‚ฑ๎‚”๎‚‹๎‚˜๎‚ฑ๎‚‡๎€ƒ๎‚ˆ๎‡ฏ๎€ƒ๎‚†๎‚‡๎€ƒ๎‚ˆ๎‡ค
๎œฝ๏ˆป๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ ๎ฌต
๎ฌถ๎ณฃ๎ฐถ๎ฐญ
๎œพ๏ˆป๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ฌท๎ณฃ๎ฐถ๎ฐฎ
๎ฌถ๎ณฃ๎ฐถ๎ฐญ
๎œฟ๏ˆป๎€ƒ๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ต†๎ต๎”๎ฐฏ
๎ฐฐ
Rappel : Soit a un rรฉel strictement positif ๎œฝ๎ฏซ=๎๎ฏซ๎ฏŸ๎ฏก๎ฏ”
๎กฐ๎ต†๎กผ๎กพ๎กต๎กน๎กต๎ข€๎กต๎ข‚๎กฑ๎กฟ
๎กฑ๎ขž๎ข‹๎ข˜๎ข‰๎ข๎ข‰๎ข‹๎€ƒ๎ซš ๎‡ฃ๎€ƒ๎œฒ๎‹๎‘๎Ž๎€ƒ๎œฟ๎„๎œฝ๎œฟ๎‘๎Š๎๎€ƒ๎€๎๎๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎๎€ƒ๎๎‘๎…๎’๎œฝ๎Š๎๎๎ ๎‡ฃ
๎œฝ๏ˆป๎€ƒ๎œฌ๎‘๎๎๎…๎‚๎…๎๎Ž๎€ƒ๎๎‘๎๎€ƒ๎‚๎€ƒ๎œฝ๎€๎‰๎๎๎€ƒ๎€๎๎๎€ƒ๎Œ๎Ž๎…๎‰๎…๎๎…๎’๎๎๎€ƒ๎๎‘๎Ž๎€ƒ๎œซ ๎‡ข
๎€ƒ๎œพ๏ˆป๎€ƒ๎œฆ๎‚ฑ๎๎๎Ž๎‰๎…๎Š๎๎Ž๎€ƒ๎๎‹๎‘๎๎๎๎€ƒ๎ˆ๎๎๎€ƒ๎Œ๎Ž๎…๎‰๎…๎๎…๎’๎๎๎€ƒ๎€๎๎€ƒ๎‚๎€ƒ๎๎‘๎Ž๎€ƒ๎œซ ๎‡ข
๎œฟ๏ˆป๎€ƒ๎œฆ๎‚ฑ๎๎๎Ž๎‰๎…๎Š๎๎Ž๎€ƒ๎ˆ๎œฝ๎€ƒ๎Œ๎Ž๎…๎‰๎…๎๎…๎’๎๎๎€ƒ๎€๎๎€ƒ๎‚๎€ƒ๎๎‘๎Ž๎€ƒ๎œซ๎€ƒ๎๎‘๎…๎€ƒ๎Œ๎Ž๎๎Š๎€๎€ƒ๎ˆ๎œฝ๎€ƒ๎’๎œฝ๎ˆ๎๎‘๎Ž๎€ƒ๎•๎ฏข๎€ƒ๎๎Š๎€ƒ๎”๎ฏข ๎‡ค
๎ณ๏ˆป๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ ๎ฏซ๎ฐฏ
๎ฏซ๎ฐฐ๎ฌพ๎ฌถ๎‡ข๎€ƒ๎œซ๎ตŒ๎€ƒ๎”น ๎‡ข๎€ƒ๎€ƒ๎”๎ฏข ๎ตŒ๎€ƒ๎ฒ๎€ƒ๎€ƒ๎๎๎€ƒ๎•๎ฏข ๎ตŒ๎ˆ๎Š๏ˆบ๎Žพ๎ด๏ˆป
๎ด๏ˆป๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ ๎ฏซ
๎ฏซ๎พ๎ฌพ๎ฌถ๎‡ข๎€ƒ๎œซ๎ตŒ๎€ƒ๎”น ๎‡ข๎€ƒ๎€ƒ๎”๎ฏข ๎ตŒ๎€ƒ๎ฒ๎€ƒ๎€ƒ๎๎๎€ƒ๎•๎ฏข ๎ตŒ๎ˆ๎Š๏ˆบ๎๎ต†๎ณ๏ˆป
๎ต๏ˆป๎€ƒ๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ ๎ฌต
๎ฏซ๎ฌฟ๎ฌถ๎ต†๎ฌถ
๏ˆบ๎ฏซ๎ฌฟ๎ฌถ๏ˆป๎ฐฎ๎€ƒ๎‡ข๎€ƒ๎œซ๎ตŒ๎€ƒ๏ˆฟ๎ด ๎‡ข๎ต…๎Žป๏ˆพ๎€ƒ๎€ƒ๎”๎ฏข ๎ตŒ๎€ƒ๎ต๎€ƒ๎€ƒ๎๎๎€ƒ๎•๎ฏข ๎ตŒ๎€ƒ๎ฒ
๎ถ๏ˆป๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ท๎ถฅ๎”๎พ
๎ฐฏ๎‡ข๎€ƒ๎œซ ๎ตŒ๎€ƒ๏ˆฟ๎ฒ ๎‡ข๎ต…๎Žป๏ˆพ๎€ƒ๎€ƒ ๎‡ข๎€ƒ๎€ƒ๎”๎ฏข ๎ตŒ๎€ƒ๎ณ๎€ƒ๎๎๎€ƒ๎•๎ฏข ๎ตŒ๎ต
Rappel ๎‡ฃ๎€–๎‚‘๎‚‹๎‚–๎€ƒ๎€˜๎€ƒ๎‚—๎‚๎‚‡๎€ƒ๎‚ˆ๎‚‘๎‚๎‚…๎‚–๎‚‹๎‚‘๎‚๎€ƒ๎‚†๎‚ฑ๎‚”๎‚‹๎‚˜๎‚ƒ๎‚„๎‚Ž๎‚‡๎€ƒ๎‚‡๎‚–๎€ƒ๎‚๎‚‡๎€ƒ๎‚•๎‡ฏ๎‚ƒ๎‚๎‚๎‚—๎‚Ž๎‚ƒ๎‚๎‚–๎€ƒ๎‚’๎‚ƒs sur un intervalle K. La fonction
๎ฏŽ๏‡ฑ
๎ฏŽ admet pour primitive ln๎ˆ๎œท๎ˆ+k ou k est un nombre rรฉel.
๎กฑ๎ขž๎ข‹๎ข˜๎ข‰๎ข๎ข‰๎ข‹๎€ƒ๎ซ› ๎‡ฃ๎€ƒ๎œด๎‚ฑ๎Œ๎‹๎Š๎€๎Ž๎๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๎’๎Ž๎œฝ๎…๎€ƒ๎‹๎‘๎€ƒ๎‚๎œฝ๎‘๎”๎€ƒ๎๎Š๎€ƒ๎†๎‘๎๎๎…๎‚๎…๎œฝ๎Š๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎Ž๎‚ฑ๎Œ๎‹๎Š๎๎
๎€ƒ๎ณ๏ˆป๎€ƒ๎œฎ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎œจ๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎๎‘๎Ž๎€ƒ๎œซ๎€ƒ๎ตŒ๎€ƒ๏ˆฟ๎ตซ๎ฌฟ๎ฌต๎ฌพ๎Žพ๎ฌน๎ตฏ
๎ฌถ ๎‡ข๎ต…๎Žป๏ˆพ๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๎œจ๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ˆ๎Š๏ˆบ๎”๎พ๎ต…๎”๎ต†๎ณ๏ˆป ๎๎๎๎€ƒ๎ˆ๎œฝ
๎Œ๎Ž๎…๎‰๎…๎๎…๎’๎๎€ƒ๎๎‘๎Ž๎€ƒ๎œซ๎€ƒ๎€๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎‚๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎Œ๎œฝ๎Ž ๎‚๏ˆบ๎”๏ˆป๎€ƒ๎ตŒ ๏ˆบ๎ฌถ๎ฏซ๎ฌพ๎ฌต๏ˆป
๏ˆบ๎ฏซ๎พ๎ฌพ๎ฏซ๎ฌฟ๎ฌต๏ˆป ๎๎‘๎…๎€ƒ๎๎‡ฏ๎œฝ๎Š๎Š๎‘๎ˆ๎๎€ƒ๎๎Š๎€ƒ๎ณ๎‡ค
๎ด๏ˆป๎€ƒ๎œฎ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎œจ๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎๎‘๎Ž๎€ƒ๎œซ๎€ƒ๎ตŒ๎€ƒ๏ˆฟ๎ต†๎ณ ๎‡ข๎ต…๎Žป๏ˆพ๎€ƒ๎Œ๎œฝ๎Ž
๎€ƒ๎œจ๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ˆ๎Š๏‰€๎ฏซ๎ฐฏ๎ฌพ๎ฌต
๎ฌท๏‰๎€ƒ๎๎๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎Œ๎Ž๎…๎‰๎…๎๎…๎’๎๎€ƒ๎๎‘๎Ž๎€ƒ๎œซ๎€ƒ๎€๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎‚๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎Œ๎œฝ๎Ž
๎€ƒ๎‚๎€ƒ๏ˆบ๎”๏ˆป๎€ƒ๎ตŒ๎€ƒ ๎ฏซ๎ฐฎ
๎ฏซ๎ฐฏ๎ฌพ๎ฌต ๎‡ค
๎ต๏ˆป ๎€ƒ๎œฎ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎œจ๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎๎‘๎Ž I = ]1 ;+๎Žป[ ๎Œ๎œฝ๎Ž ๎œจ๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ˆ๎Š๏ˆบ๎”๎ต†๎ณ๏ˆป๎ต†๏ˆบ๎ฌถ๎ฏซ๎ฌฟ๎ฌต๏ˆป
๏ˆบ๎ฏซ๎ฌฟ๎ฌต๏ˆป๎ฐฎ
๎€ƒ๎€ƒ๎๎๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎Œ๎Ž๎…๎‰๎…๎๎…๎’๎๎€ƒ๎๎‘๎Ž๎€ƒ๎œซ๎€ƒ๎€๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎‚๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎ตซ๎ฏซ๎ฐฎ๎ฌพ๎ฌต๎ตฏ
๏ˆบ๎ฏซ๎ฌฟ๎ฌต๏ˆป๎ฐฏ๎€ƒ๎€ƒ๎‡ค
๎ถ๏ˆป๎€ƒ๎œฎ๎๎๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎๎€ƒ๎œจ๎€ƒ๎๎๎€ƒ๎œฉ๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎๎€ƒ๎๎‘๎Ž๎€ƒ๎œซ๎€ƒ๎ตŒ๎€ƒ๏ˆพ๎ฒ ๎‡ข๎ต…๎Žป๏ˆพ๎€ƒ๎Œ๎œฝ๎Ž
๎€ƒ๎œจ๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ๎ˆ๎Š๏ˆบ๎ด๎”๎ต…๎ณ๏ˆป๎ต…๎‚Ž๎‚๏ˆบ๎”๎ต…๎ถ๏ˆป๎๎
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Cluster Terminale D GPM/ by MOUAHA FRANCIS
๎€ƒ๎œฉ๏ˆบ๎”๏ˆป๎€ƒ๎ตŒ๎‚Ž๎‚๎€ƒ๏ˆบ๎”๎พ๎ต…๎ป
๎ด๎”๎ต…๎ด๏ˆป๎€ƒ๎๎‹๎Š๎๎€ƒ๎€๎๎‘๎”๎€ƒ๎Œ๎Ž๎…๎‰๎…๎๎…๎’๎๎๎€ƒ๎๎‘๎Ž๎€ƒ๎œซ๎€ƒ๎€๎‡ฏ๎‘๎Š๎๎€ƒ๎‰๎‚ฒ๎‰๎๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎‚ ๎‡ค
๎กฑ๎ต†๎กธ๎กต๎กน๎กต๎ข€๎กฑ๎กฟ
๎กฑ๎ขž๎ข‹๎ข˜๎ข‰๎ข๎ข‰๎ข‹๎€ƒ๎ซš ๎‡ฃ๎€ƒ๎œด๎‚ฑ๎Œ๎‹๎Š๎€๎Ž๎๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๎’๎Ž๎œฝ๎…๎€ƒ๎‹๎‘๎€ƒ๎‚๎œฝ๎‘๎”๎€ƒ๎๎Š๎€ƒ๎†๎‘๎๎๎…๎‚๎…๎œฝ๎Š๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎Ž๎‚ฑ๎Œ๎‹๎Š๎๎.
1) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌด๎ฐถ๏ˆบ๎”๎ฌต๎ฌบ๎ˆ๎Š๎”๏ˆป=0
2) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌพ๎ฎถ๎ฏŸ๎ฏก๏ˆบ๎ฏซ๎พ๎ฌพ๎ฌต๏ˆป
๎ฏซ๎พ =0
3) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌพ๎ฎถ๎ˆ๎Š๏ˆบ๎ณ๎ต…๎”๎พ๏ˆป=0
4) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌพ๎ฎถ๏ˆบ๎ต†๎ˆ๎Š๎”๎ต…๎”๎พ๏ˆป= -๎Žป
๎œง๎”๎๎Ž๎œฟ๎…๎œฟ๎๎€ƒ๎ด๎‡ฃ๎€ƒ๎œฆ๎‚ฑ๎๎๎Ž๎‰๎…๎Š๎๎Ž๎€ƒ๎œฟ๎„๎œฝ๎œฟ๎‘๎Š๎๎€ƒ๎€๎๎๎€ƒ๎ˆ๎…๎‰๎…๎๎๎๎€ƒ๎๎‘๎…๎’๎œฝ๎Š๎๎๎
1) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌพ๎ฎถ๎ˆ๎Š๏‰€๎ฏซ๎พ๎ฌพ๎ฌถ
๎ฌถ๎ฏซ๎พ๎ฌพ๎ฌต๏‰๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ
2) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎Žพ๎ฐฎ
๎ฐฎ๎ฐถ๎ˆ๎Š๏‰€๎ฏซ๎พ๎ฌพ๎ฌถ
๎ฌถ๎ฏซ๎พ๎ฌฟ๎ฌต๏‰๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎€ƒ
3) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌด๎ฏŸ๎ฏก๏ˆบ๎ฏฆ๎ฏœ๎ฏก๎ฏซ๎ฌพ๎ฌต๏ˆป
๎ฏซ=0
4) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌพ๎ฎถ๏‰€๎ฏซ๎ฌพ๎ฌต
๎ฏซ๏‰๎ฏซ
๎œซ๎Š๎€๎…๎œฟ๎œฝ๎๎…๎‹๎Š๎€ƒ๎ถ๏ˆป๎€ƒ๎œฑ๎Š๎€ƒ๎Œ๎‹๎‘๎Ž๎Ž๎œฝ๎€ƒ๎Œ๎‹๎๎๎Ž๎€ƒ๎๎ตŒ๎ฌต
๎ฏซ
rappel : - ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌด๎ฐถ๏ˆบ๎”๎ˆ๎Š๎”๏ˆป=0 ; - ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌด๎ฐถ๏ˆบ๎ˆ๎Š๎”๏ˆป=-๎Žป ; - ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌพ๎ฎถ๏ˆบ๎ˆ๎Š๎”๏ˆป= +๎Žป
- ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌพ๎ฎถ๏‰€๎ฏŸ๎ฏก๎ฏซ
๎ฏซ๏‰= 0
๎กฒ๎ต†๎กฑ๎ข€๎ข๎กฐ๎กฑ๎กฟ๎€ƒ๎กฐ๎กฑ๎กฟ๎€ƒ๎กฒ๎กป๎กบ๎กฏ๎ข€๎กต๎กป๎กบ๎กฟ
๎กฑ๎ขž๎ข‹๎ข˜๎ข‰๎ข๎ข‰๎ข‹๎€ƒ๎ซš
๎œต๎‹๎…๎๎€ƒ๎‚๎€ƒ๎‘๎Š๎๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎๎‘๎Ž๎€ƒ๏ˆฟ๎ฒ ๎‡ข๎ต…๎Žป๏ˆพ๎€ƒ๎€ƒ๎Œ๎œฝ๎Ž ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎ฌต
๎ฌถ๎‚š๎ต…๎ด๎ฏŸ๎ฏก๎ฏซ
๎ฏซ. ๎œฑ๎Š๎€ƒ๎Š๎‹๎๎๎€ƒ๏ˆบ๎œฅ๏ˆป๎€ƒ๎๎œฝ๎€ƒ๎œฟ๎‹๎‘๎Ž๎œพ๎
๎Ž๎๎Œ๎Ž๎‚ฑ๎๎๎Š๎๎œฝ๎๎…๎’๎๎€ƒ๎€๎œฝ๎Š๎๎€ƒ๎‘๎Š๎€ƒ๎Ž๎๎Œ๎‚ฐ๎Ž๎๎€ƒ๎‹๎Ž๎๎„๎‹๎Š๎‹๎Ž๎‰๎‚ฑ ๏ˆบ๎œฑ ๎‡ข๎€ƒ๎œซ ๎‡ข๎€ƒ๎œฌ๏ˆป
๎€๎‘๎€ƒ๎Œ๎ˆ๎œฝ๎Š๎€ƒ๏ˆบ๎‘๎Š๎…๎๎‚ฑ๎€ƒ๎ƒ๎Ž๎œฝ๎Œ๎„๎…๎๎‘๎ ๎‡ฃ๎€ƒ๎ด๎œฟ๎‰๏ˆป
๎ณ๏ˆป๎œฝ๏ˆป๎€ƒ๎œง๎๎‘๎€๎…๎๎Ž๎€ƒ๎ˆ๎œฝ๎€ƒ๎ˆ๎…๎‰๎…๎๎๎€ƒ๎€๎๎€ƒ๎‚๎€ƒ๎๎Š๎€ƒ๎ต…๎Žป๎‡ค
๎€ƒ๎€ƒ๎€ƒ๎€ƒ๎œพ๏ˆป๎€ƒ๎œฆ๎‚ฑ๎‰๎‹๎Š๎๎Ž๎๎Ž๎€ƒ๎๎‘๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎€๎Ž๎‹๎…๎๎๎€ƒ๏ˆบ๎œฆ๏ˆป๎€ƒ๎€๎‡ฏ๎‚ฑ๎๎‘๎œฝ๎๎…๎‹๎Š๎€ƒ๎•๎ตŒ๎ฌต
๎ฌถ๎”๎€ƒ๎๎๎๎€ƒ๎‘๎Š๎๎€ƒ๎œฝ๎๎•๎‰๎Œ๎๎‹๎๎๎€ƒ๎‚๎€ƒ๏ˆบ๎œฅ๏ˆป๎€ƒ
๎๎Š๎€ƒ๎ต…๎Žป๎€ƒ๎๎๎€ƒ๎‚ฑ๎๎‘๎€๎…๎๎Ž๎€ƒ๎ˆ๎œฝ๎€ƒ๎Œ๎‹๎๎…๎๎…๎‹๎Š๎€ƒ๎€๎๎€ƒ๏ˆบ๎œฅ๏ˆป๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๎Ž๎œฝ๎Œ๎Œ๎‹๎Ž๎๎€ƒ๎‚๎€ƒ๏ˆบ๎œฆ๏ˆป
๎ด๏ˆป๎€ƒ๎œง๎๎‘๎€๎…๎๎Ž๎€ƒ๎ˆ๎œฝ๎€ƒ๎ˆ๎…๎‰๎…๎๎๎€ƒ๎€๎๎€ƒ๎‚๎€ƒ๎๎Š๎€ƒ๎ฒ๎€ƒ๎๎๎€ƒ๎…๎Š๎๎๎Ž๎Œ๎Ž๎‚ฑ๎๎๎Ž๎€ƒ๎ƒ๎Ž๎œฝ๎Œ๎„๎…๎๎‘๎๎‰๎๎Š๎๎€ƒ๎ˆ๎๎€ƒ๎Ž๎‚ฑ๎๎‘๎ˆ๎๎œฝ๎๎‡ค
๎ต๏ˆป๎€ƒ๎œง๎๎‘๎€๎…๎๎Ž๎€ƒ๎ˆ๎๎๎€ƒ๎’๎œฝ๎Ž๎…๎œฝ๎๎…๎‹๎Š๎๎€ƒ๎€๎๎€ƒ๎‚๎€ƒ๎๎‘๎Ž๎€ƒ๎”น๎‡ค
๎ถ๏ˆป๎€ƒ๎œถ๎Ž๎œฝ๎œฟ๎๎Ž๎€ƒ๎ˆ๎œฝ๎€ƒ๎€๎Ž๎‹๎…๎๎๎€ƒ๏ˆบ๎œฆ๏ˆป๎€ƒ๎๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎œฟ๎‹๎‘๎Ž๎œพ๎๎€ƒ๏ˆบ๎œฅ๏ˆป๎‡ค
Exercice 2 : ๎œด๎‚ฑ๎Œ๎‹๎Š๎€๎Ž๎๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๎’๎Ž๎œฝ๎…๎€ƒ๎‹๎‘๎€ƒ๎‚๎œฝ๎‘๎”๎€ƒ๎๎Š๎€ƒ๎†๎‘๎๎๎…๎‚๎…๎œฝ๎Š๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎Ž๎‚ฑ๎Œ๎‹๎Š๎๎
๎œต๎‹๎…๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๎‚๏ˆบ๎”๏ˆป = ๎ˆ๎Š๏‰€๎ฏซ๎ฌฟ๎ฌต
๎ฏซ๎ฌพ๎ฌต๏‰ ๎๎๎€ƒ๎œฆ๎€ƒ๎๎‹๎Š๎€ƒ๎๎Š๎๎๎‰๎œพ๎ˆ๎๎€ƒ๎€๎๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎…๎‹๎Š.
1) D=]0 ; ๎ต…๎Žป[
๎ด๏ˆป๎€ƒ๎‚๎€ƒ๎๎๎๎€ƒ๎€๎‚ฑ๎Ž๎…๎’๎œฝ๎œพ๎ˆ๎๎€ƒ๎๎‘๎Ž๎€ƒ๎œฆ๎€ƒ๎๎๎€ƒ๎Œ๎‹๎‘๎Ž๎€ƒ๎๎‹๎‘๎๎€ƒ๎”๎€ƒ๎œฝ๎Œ๎Œ๎œฝ๎Ž๎๎๎Š๎œฝ๎Š๎๎€ƒ๎‚๎€ƒ๎œฆ๎‡ก๎‚๎‡ฏ๏ˆบ๎”๏ˆป = ๎ฌถ
๎ฏซ๎พ๎ฌฟ๎ฌต
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Cluster Terminale D GPM/ by MOUAHA FRANCIS
3๏ˆป๎€ƒ๎œฒ๎‹๎‘๎Ž๎€ƒ๎๎‹๎‘๎๎€ƒ๎”๎€ƒ๎œฝ๎Œ๎Œ๎œฝ๎Ž๎๎๎Š๎œฝ๎Š๎๎€ƒ๎‚๎€ƒ๎œฆ๎‡ก๎‚๏ˆบ๎”๏ˆป๎ต๎ฒ
4) ๎ˆ๎Š๏‰€๎ฏ˜๎ฌฟ๎ฌต
๎ฏ˜๎ฌพ๎ฌต๏‰๎€ƒ๎๎๎๎€ƒ๎ˆ๎‡ฏ๎‘๎Š๎…๎๎‘๎๎€ƒ๎๎‹๎ˆ๎‘๎๎…๎‹๎Š๎€ƒ๎€๎๎€ƒ๎ˆ๎‡ฏ๎‚ฑ๎๎‘๎œฝ๎๎…๎‹๎Š๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎ต†๎ณ๎‡ค
Exercice 3: Pour chaque question, une et une seule des trois rรฉponses proposรฉes est
exacte. Indiquer laquelle en justifiant votre choix.
๎ณ๏ˆป๎€ƒ๎œต๎‹๎…๎๎€ƒ๎‚๎€ƒ๎ˆ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎๎‘๎Ž๎€ƒ๏ˆฟ๎ฒ ๎‡ข๎€ƒ๎ต…๎Žป๏ˆพ๎€ƒ๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๎‚๏ˆบ๎”๏ˆป=๎ญช๎ญฌ๎€ƒ๏ˆบ๎ฌต๎ฌพ๎ฏซ๏ˆป
๎ฏซ.
a) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌพ๎ฎถ๎‚๏ˆบ๎”๏ˆป =0 ;
b) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌด๎‚๏ˆบ๎”๏ˆป = ln2 ;
๎€ƒ๎œฟ๏ˆป๎€ƒ๎œฒ๎‹๎‘๎Ž๎€ƒ๎๎‹๎‘๎๎€ƒ๎Ž๎๎๎ˆ๎€ƒ๎Š๎‹๎Š๎€ƒ๎Š๎‘๎ˆ๎‡ก๎‚๏ˆบ๎ณ๏ˆป๎ต…๎‚๏ˆบ๎ด๏ˆป๎ตŒ๎ณ
๎ด๏ˆป๎€ƒ๎œต๎‹๎…๎๎€ƒ๎‚๎€ƒ๎ˆ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎๎‘๎Ž ]0, +๎Žป[ ๎Œ๎œฝ๎Ž ๎‡ฃ๎€ƒ๎‚๏ˆบ๎”)=๎ฌต๎ฌพ๎ฏซ๎ฏŸ๎ฏก๎ฏซ
๎ฏซ
๎œฝ๏ˆป๎€ƒ๎œฎ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎ƒ๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎Œ๎œฝ๎Ž ๎ƒ๏ˆบ๎”๏ˆป๎ตŒ๎ฌต๎ฌพ๎ฏซ
๎ฏซ๎พ ๎๎๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎€๎‚ฑ๎Ž๎…๎’๎‚ฑ๎๎€ƒ๎€๎๎€ƒ๎‚๎€ƒ๎๎‘๎Ž ]0, +๎Žป[
๎œพ๏ˆป๎€ƒ๎œฎ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎œช๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๎œช๏ˆบ๎”๏ˆป๎€ƒ๎ตŒ๎€ƒ๏ˆบ๎ณ๎ต…๎”๏ˆป๎ˆ๎Š๎”๎ต†๎”๎€ƒ๎๎๎
๎‘๎Š๎๎€ƒ๎Œ๎Ž๎…๎‰๎…๎๎…๎’๎๎€ƒ๎€๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎‚ ๎๎‘๎Ž๎€ƒ๎€ƒ]0, +๎Žป[
c) ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌพ๎ฎถ๎‚๏ˆบ๎”๏ˆป =0
๎ต๏ˆป๎€ƒ๎œต๎‹๎…๎๎€ƒ๎‚๎€ƒ๎ˆ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎๎‘๎Ž ]2 ; +๎Žป[ ๎Œ๎œฝ๎Ž๎€ƒ๎‚๏ˆบ๎”๏ˆป ๎ตŒ๎”๎ต…๎ณ- ๎ˆ๎Š๏‰€๎ฏซ๎ฌฟ๎ฌถ
๎ฌถ๎ฏซ๎ฌพ๎ฌท๏‰.
๎œฑ๎Š๎€ƒ๎€๎‚ฑ๎๎…๎ƒ๎Š๎๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๏ˆบ๎œฅ๏ˆป๎€ƒ๎๎œฝ๎€ƒ๎œฟ๎‹๎‘๎Ž๎œพ๎๎€ƒ๎Ž๎๎Œ๎Ž๎‚ฑ๎๎๎Š๎๎œฝ๎๎…๎’๎๎€ƒ๎€๎œฝ๎Š๎๎€ƒ๎‘๎Š๎€ƒ๎Ž๎๎Œ๎‚ฐ๎Ž๎๎€ƒ๎‹๎Ž๎๎„๎‹๎Š๎‹๎Ž๎‰๎‚ฑ๎€ƒ๎€๎‘๎€ƒ๎Œ๎ˆ๎œฝ๎Š๎‡ค
๎œฝ๏ˆป๎€ƒ๎œฎ๎œฝ๎€ƒ๎€๎Ž๎‹๎…๎๎๎€ƒ๏ˆบ๎œฆ๏ˆป๎€ƒ๎€๎‡ฏ๎‚ฑ๎๎‘๎œฝ๎๎…๎‹๎Š๎€ƒ๎• ๎ตŒ๎”๎ต…๎ณ๎€ƒ๎๎๎๎€ƒ๎‘๎Š๎๎€ƒ๎œฝ๎๎•๎‰๎Œ๎๎‹๎๎๎€ƒ๎€๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎œฟ๎‹๎‘๎Ž๎œพ๎๎€ƒ๏ˆบ๎œฅ๏ˆป
๎œพ๏ˆป๎€ƒ๎œฎ๎œฝ๎€ƒ๎œฟ๎‹๎‘๎Ž๎œพ๎๎€ƒ๏ˆบ๎œฅ๏ˆป๎€ƒ๎๎๎๎€ƒ๎๎Š๎€ƒ๎€๎๎๎๎‹๎‘๎๎€ƒ๎€๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎€๎Ž๎‹๎…๎๎๎€ƒ๏ˆบ๎œฆ๏ˆป๎€ƒ๎€๎‡ฏ๎‚ฑ๎๎‘๎œฝ๎๎…๎‹๎Š๎€ƒ๎•๎ตŒ๎”๎ต…๎ณ๎€ƒ๎๎‘๎Ž๎€ƒ๎ˆ๎‡ฏ๎…๎Š๎๎๎Ž๎’๎œฝ๎ˆ๎ˆ๎
๏ˆฟ๎ด ๎‡ข๎€ƒ๎ต…๎Žป๏ˆพ .
๎œฟ๏ˆป๎€ƒ๎œฎ๎œฝ๎€ƒ๎€๎Ž๎‹๎…๎๎๎€ƒ๎€๎‡ฏ๎‚ฑ๎๎‘๎œฝ๎๎…๎‹๎Š๎€ƒ๎”๎ตŒ๎ด๎€ƒ๎๎๎๎€ƒ๎‘๎Š๎๎€ƒ๎œฝ๎๎•๎‰๎Œ๎๎‹๎๎๎€ƒ๎€๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎œฟ๎‹๎‘๎Ž๎œพ๎๎€ƒ๏ˆบ๎œฅ๏ˆป
4) ๎œต๎‹๎…๎๎€ƒ๎‚๎€ƒ๎ˆ๎œฝ๎€ƒ๎‚๎‹๎Š๎œฟ๎๎…๎‹๎Š๎€ƒ๎€๎‚ฑ๎‚๎…๎Š๎…๎๎€ƒ๎๎‘๎Ž๎€ƒ ๏ˆฟ๎ฒ ๎‡ข๎€ƒ๎ต…๎Žป๏ˆพ ๎Œ๎œฝ๎Ž๎€ƒ๎‚๏ˆบ๎”๏ˆป =๎ˆ๎Š๏‰€๎ด๎ต…๎ฌต
๎ฏซ๏‰.
๎œฑ๎Š๎€ƒ๎€๎‚ฑ๎๎…๎ƒ๎Š๎๎€ƒ๎Œ๎œฝ๎Ž๎€ƒ๏ˆบ๎œฅ๏ˆป๎€ƒ๎๎œฝ๎€ƒ๎œฟ๎‹๎‘๎Ž๎œพ๎๎€ƒ๎Ž๎๎Œ๎Ž๎‚ฑ๎๎๎Š๎๎œฝ๎๎…๎’๎๎€ƒ๎€๎œฝ๎Š๎๎€ƒ๎‘๎Š๎€ƒ๎Ž๎๎Œ๎‚ฐ๎Ž๎๎€ƒ๎‹๎Ž๎๎„๎‹๎Š๎‹๎Ž๎‰๎‚ฑ๎€ƒ๎€๎‘๎€ƒ๎Œ๎ˆ๎œฝ๎Š๎‡ค
๎œฝ๏ˆป๎€ƒ๎€ƒ๎œฎ๎œฝ๎€ƒ๎€๎Ž๎‹๎…๎๎๎€ƒ๏ˆบ๎œฆ๏ˆป๎€ƒ๎€๎‡ฏ๎‚ฑ๎๎‘๎œฝ๎๎…๎‹๎Š๎€ƒ๎• ๎ตŒ๎ต†๎ฌต
๎ฌท๎”๎ต…๎ฌต
๎ฌท๎ต…๎ˆ๎Š๎ต๎€ƒ๎๎๎๎€ƒ๎๎œฝ๎Š๎ƒ๎๎Š๎๎๎€ƒ๎‚๎€ƒ๎€ƒ๏ˆบ๎œฅ๏ˆป
๎€ƒ๎€ƒ๎œพ๏ˆป๎€ƒ๏ˆบ๎œฅ๏ˆป๎€ƒ๎œฝ๎€๎‰๎๎๎€ƒ๎‘๎Š๎๎€ƒ๎œฝ๎๎•๎‰๎Œ๎๎‹๎๎๎€ƒ๎„๎‹๎Ž๎…๎–๎‹๎Š๎๎œฝ๎ˆ๎๎€ƒ๎€๎‡ฏ๎‚ฑ๎๎‘๎œฝ๎๎…๎‹๎Š๎€ƒ๎•๎ตŒ๎ด
๎œฟ๏ˆป๎€ƒ๏ˆบ๎œฅ๏ˆป๎€ƒ๎๎๎๎€ƒ๎œฝ๎‘๎€ƒ๎€๎๎๎๎‘๎๎€ƒ๎€๎๎€ƒ๎ˆ๎œฝ๎€ƒ๎€๎Ž๎‹๎…๎๎๎€ƒ๎€๎‡ฏ๎‚ฑ๎๎‘๎œฝ๎๎…๎‹๎Š๎€ƒ๎•๎ตŒ๎ณ๎€ƒ๎๎‘๎Ž๎€ƒ๎ˆ๎‡ฏ๎…๎Š๎๎๎Ž๎’๎œฝ๎ˆ๎ˆ๎๎€ƒ๏ˆฟ ๎ฌต
๎ฏ˜๎ฌฟ๎ฌต ๎‡ข๎€ƒ๎ต…๎Žป
PROBLEME : (12pts)
Soit f la fonction dรฉfinie sur ๎”น par๎€ƒ๎‚๏ˆบ๎”๏ˆป๎ตŒ๎ฏŸ๎ฏก๎€ƒ๏ˆบ๎ฌต๎ฌพ๎ฏ˜๎ณฃ๎€ƒ๏ˆป
๎ฏ˜๎ณฃ. Le plan est rapportรฉ ร  un repรจre
๎‚‘๎‚”๎‚–๎‚Š๎‚‘๎‚๎‚‘๎‚”๎‚๎‚ฑ๎€ƒ๏ˆบ๎€’๎‡ก๎€ƒ๎€Œ๎‡ก๎€ƒ๎€๏ˆป๎€ƒ๎‡ก๎€ƒ๎‚Ž๎‚‡๎‚•๎€ƒ๎‚—๎‚๎‚‹๎‚–๎‚ฑ๎‚•๎€ƒ๎‚‰๎‚”๎‚ƒ๎‚’๎‚Š๎‚‹๎‚“๎‚—๎‚‡๎‚•๎€ƒ๎‚ฑ๎‚–๎‚ƒ๎‚๎‚–๎€ƒ๎ณ๎‚…๎‚๎€ƒ๎‚•๎‚—๎‚”๎€ƒ๎‚Ž๎‡ฏ๎‚ƒ๎‚š๎‚‡๎€ƒ๎‚†๎‚‡๎‚•๎€ƒ๎‚ƒ๎‚„๎‚•๎‚…๎‚‹๎‚•๎‚•๎‚‡๎‚•๎€ƒ๎‚‡๎‚–๎€ƒ๎ท๎‚…๎‚๎€ƒ๎‚•๎‚—๎‚”๎€ƒ
๎‚Ž๎‡ฏ๎‚ƒ๎‚š๎‚‡๎€ƒ๎‚†๎‚‡๎‚•๎€ƒ๎‚‘๎‚”๎‚†๎‚‘๎‚๎‚๎‚ฑ๎‚‡๎‚•๎‡ค๏ˆบ๎€†๏ˆป๎€ƒ๎‚‡๎‚•๎‚–๎€ƒ๎‚Ž๎‚ƒ๎€ƒ๎‚…๎‚‘๎‚—๎‚”๎‚„๎‚‡ de ๎‚๎€ƒdans ce repรจre.
PARTIE A : (5,5pts)
1) Calculer la dรฉrivรฉe ๎‚ˆ๎‡ฏ de f sur ๎”น. ๎€๎‚‘๎‚๎‚–๎‚”๎‚‡๎‚”๎€ƒ๎‚“๎‚—๎‚‡๎‡ก๎€ƒ๎‚’๎‚‘๎‚—๎‚”๎€ƒ๎‚–๎‚‘๎‚—๎‚–๎€ƒ๎‚š๎€ƒ๎‚”๎‚ฑ๎‚‡๎‚Ž๎‡ก๎€ƒ๎‚ˆ๎‡ฏ(x)est du signe de
๎ƒ๏ˆบ๎”๏ˆป๎ตŒ๎€ƒ ๎๎ฏซ
๎ณ๎ต…๎๎ฏซ๎€ƒ๎ˆ‚๎ˆ๎Š๏ˆบ๎ณ๎ต…๎๎ฏซ๏ˆป๎‡ค๏ˆบ๎ณ๎Œ๎๏ˆป
2) a) Dรฉterminer ๎‚Ž๎‚‹๎‚
๎ฏซ๎•œ๎ฌฟ๎ฎถ๎ƒ๏ˆบ๎”๏ˆป. (0,5pt)
๎‚„๏ˆป๎€ƒ๎€†๎‚ƒ๎‚Ž๎‚…๎‚—๎‚Ž๎‚‡๎‚”๎€ƒ๎‚‰๎‡ฏ๏ˆบ๎‚š๏ˆป๎‡ค๎€ƒ๏ˆบ๎ฒ๎‡ก๎ท๎‚’๎‚–๏ˆป
c) Dรฉterminer le sens de variation de g et en dรฉduire le signe de g. (1pt)
๎‚†๏ˆป๎€ƒ๎€ˆ๎‚๎€ƒ๎‚†๎‚ฑ๎‚†๎‚—๎‚‹๎‚”๎‚‡๎€ƒ๎‚Ž๎‚‡๎€ƒ๎‚•๎‚‹๎‚‰๎‚๎‚‡๎€ƒ๎‚†๎‚‡๎€ƒ๎‚ˆ๎‡ฏ๏ˆบ๎‚š๏ˆป๎‡ค๎€ƒ๏ˆบ๎ฒ๎‡ก๎ด๎ท๎‚’๎‚–๏ˆป
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