Réponse :
π/2(10-x²)/2 + π/2 * 5² - π/2 * (x/2)²
= π/2[(10 - x²)/2 + 25 - x²/4]
= π/2[5 - x²/2 + 25 - x²/4]
= π/2[30 - 5 x²/4]
= 5π/2(6 - x²/4)
= 5π/8(24 - x²)
Explications étape par étape
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Réponse :
π/2(10-x²)/2 + π/2 * 5² - π/2 * (x/2)²
= π/2[(10 - x²)/2 + 25 - x²/4]
= π/2[5 - x²/2 + 25 - x²/4]
= π/2[30 - 5 x²/4]
= 5π/2(6 - x²/4)
= 5π/8(24 - x²)
Explications étape par étape