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y=y
2x = x²
x² - 2x = 0
x(x-2) = 0
titik potong kurva x=0 dab x =2
V = π₀∫² (2x)² - (x²)²
= π∫ (4x² - x⁴)
= π [4/3 x³ - 1/5 x⁵]
= π [4/3 . 8 - 32/5] = π [160/15 - 96/15] = 64π/15