Hey did you know that 9 - x2 gives y = x + 79 - x2 = x + 7 So x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14x + 32) dx19 V = x [-x-12 y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx
V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14x + 32) dx 19 V = x [-x-12x3-7 y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14x + 32 9 - x2 y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (X4 - 19x2 - 14x + 32) dx19 V = x [-x-12 y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx
V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14x + 32) dx 19 V = x [-x-12x3-7 y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14x + 32) as you know 9 - x2 produces y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14x + 32) dx19 V = x [-x-12 y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx
V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14x + 32) dx 19 V = x [-x-12x3-7 y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14x + y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14X + 32) dx19 V = x [-x-12 y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx
V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14x + 32) dx 19 V = x [-x-12x3-7 y = x + 79 - x2 = x + 7 Then x = 1 and x = -2 V = π112 (9-x2) 2 - (x + 7) 2dx V = π12 (x4-18x2 + 81) - (x2 + 14x + 49) dx V = pi / 12 (x4 - 19x2 - 14x + 32) is 0