@Grado 6-1:y = x + 79 - x² = x + 7 Sau đó x = 1 và x = -2 V = π112 (9-x2) ² - (x + 7) 2dx V = π12 (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 Sau đó x = 1 và x = -2 V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (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 Vì vậy, x = 1 và x = -2 V = π112 (9-x2) ² - (x + 7) 2dx V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx V = π / 12 (x4 - 19x2 - 14x + 32 9 - x² y = x + 79 - x² = x + 7 Vì vậy, x = 1 và x = -2 V = π112 (x2) ² - x ² + + dx2 ² = 14x4 ² (dx12) + + + dx81) (x4 - 19x2 - 14x + 32) dx19 V = x [-x-12 y = x + 79 - x² = x + 7 Vậy x = 1 và x = -2 V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (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 Vì vậy, x = 1 và x = -2 V = π112 (9-x2) ² - (x + 7) 2dx V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx V = π / 12 (x4 - 19x2 - 14x + 32) như bạn đã biết 9 - x² tạo ra y = x + 79 - x² = x + 7 Vì vậy x = 1 và x -2 V = π9-18x2 ² + dx2 ² (dx4) + + + + dx112 x 2 ²) = π / 12 (x4 - 19x2 - 14x + 32) dx19 V = x [-x-12 y = x + 79 - x² = x + 7 Vậy x = 1 và x = -2 V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (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 Vì vậy x = 1 và x = -2 V = π112 (9-x2) ² - (x + 7) 2dx V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx V = π / 12 (x4 - 19x2 - 14x + y = x + 79 - x² = x + 7 Vì vậy x = 1 và x = -2 V = π112 (9-x2) - (x 7) 2dx2 ² + -2 x 4 ² = -2 x 4 ² (18x4 ² - 2 x 2 x 2 x 2 x ² = 0 x 2 x 2 x 2 x 2 x 4 ² - 2 - 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 4 ² = 0 x 2 x 4 14x + 32) dx19 V = x [-x-12 y = x + 79 - x² = x + 7 Vậy x = 1 và x = -2 V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (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 Vậy x = 1 và x = -2 V = π112 (9-x2) ² - (x + 7) 2dx V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx V = π / 12 (x4 - 19x2 - 14x y = x + 79 - x² = x + 7 Sau đó x =
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