@yannoh 🥖: SELON MES CALCULATIONS☝️134 = 15x + 79 - x², donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+81) - (x²+14x+49) dx Si V = π/12 (x⁴-19x²-14x+32) dx19 V = x [-x-12 y = x+79-x² = x+7 Donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+81) - (x²+14x+49) dx V = π/12 (x⁴-19x²-14x+32) dx 19 V = x [-x-12x³-7 y = x+79-x² = x+7 Donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+84) - (x²+14x+49) dx V = π/12 (x⁴-19x²-14x+32) 9-x² y = x+79-x² = x+7 Donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+81) - (x²+14x+49) dx V = π/12 (x⁴-19x²-14x+32) dx 19 V = x [-x-12 y = x+79-x² = x+7 Donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+81) - (x²+14x+49) dx V = π/12 (x⁴-19x²-14x+32) dx 19 V = x [-x-12x³-7 y = x+79-x² = x+7 Donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+81) - (x²+14x+49) dx V = π/12 (x⁴-19x²-14x+32) comme tu le sais, 9-x² produit y = x+79-x² = x+7 Donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+81) - (x²+14x+49) dx V = π/12 (x⁴-19x²-14x+32) dx19 V = x [-x-12 y = x+79-x² = x+7 Donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+81) - (x²+14x+49) dx V = π/12 (x⁴-19x²-14x+32) dx 19 V = x [-x-12x³-7 y = x+79-x² = x+7 Donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+81) - (x²+14x+49) dx V = π/12 (x⁴-19x²-14x+y = x+79-x² = x+7 Donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+81) - (x²+14x+49) dx V = π/12 (x⁴-19x²-14x+32) dx19 V = x [-x-12 y = x+79-x² = x+7 Donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)= EST 134 = 15x + 79 - x², donc x = 1 et x = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴-18x²+81) - (x²+14x+49) si V = π/12 (x⁴-19x²-14x+32) dx19 V = x [-x-12 y = x+79-x² = x+7 Donc x = 1 et x <562) = -2 V = π/12 (9-x²)² - (x+7)² dx V = π/12 (x⁴
la réponse est 21
MERCI
2026-09-02 19:48:01
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