The integral ∫2x^3 - 1/x^4 + x dx is equal to : (Here C is a constant of integration)

+3 votes

asked Jan 29, 2019 in JEE by kratos

The integral ∫2x3 - 1/x4 + x dx is equal to : (Here C is a constant of integration)

(1) loge |x3+ 1|/x2

(2) 1/2 loge|x3 + 1/x2| + C

(3) loge|x3 + 1/x| + C

(4) 1/2 loge (x3 + 1)2/|x3| + C

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+2 votes

answered Mar 3, 2021 by kratos

Best answer

Correct option (3) loge|x3 + 1/x| + C

Explanation: