Mathematics

$$ I =\int \frac{ ( x + x^{} + x^{}) }{ x(1+x^{}) } dx$$
equals to 


ANSWER

(a)$$\frac{3}{2} x^{} + 6 \ tan^{-1} ( x^{} ) + c$$


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Single Correct Medium Published on 17th 09, 2020
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