For 0 x 2 , the value of _0^ ^2x ^ -1 ( t)dt + _0^ ^2x ^ -1 ( t)dt equals :

JEE Main 2013 Mathematics question

For , the value of

( t)dt + ( t)dt

equals :

Answer: (1)

Differentiating with respect to x: $( x)·2 x x + ( x)·(-2 x x) =

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Question ID VK-104247