Mathematics

Mathematics

Problem

## EXERCISE 12.2 9. Find the derivative of (i) 2x−342 x-\frac{3}{4} (ii) (5x3+3x−1)(x−1)\left(5 x^{3}+3 x-1\right)(x-1) (iii) x−3(5+3x)x^{-3}(5+3 x) (iv) x5(3−6x−9)x^{5}\left(3-6 x^{-9}\right) (v) x−4(3−4x−5)x^{-4}\left(3-4 x^{-5}\right) (vi) 2x+1−x23x−1\frac{2}{x+1}-\frac{x^{2}}{3 x-1} (i) 2x−342 x-\frac{3}{4} (ii) (5x3+3x−1)(x−1)\left(5 x^{3}+3 x-1\right)(x-1) (iii) x−3(5+3x)x^{-3}(5+3 x) (iv) x5(3−6x−9)x^{5}\left(3-6 x^{-9}\right) (v) x−4(3−4x−5)x^{-4}\left(3-4 x^{-5}\right) (vi) 2x+1−x23x−1\frac{2}{x+1}-\frac{x^{2}}{3 x-1}

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