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Question Number 21662 by x² - y²@gmail.com last updated on 30/Sep/17

Answered by Joel577 last updated on 30/Sep/17

I = ∫ ((8x^5  − 18x^3 )/(2x^3  − 3x^2 )) dx = ∫ ((2x^3 (4x^2  − 9))/(x^2 (2x − 3))) dx     = ∫ ((2x(2x + 3)(2x − 3))/(2x − 3)) dx     = ∫ 4x^2  + 6x dx     = (4/3)x^3  + 3x^2  + C

I=8x518x32x33x2dx=2x3(4x29)x2(2x3)dx=2x(2x+3)(2x3)2x3dx=4x2+6xdx=43x3+3x2+C

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