JEE Main 09 April 2016 Paper
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Question : 77 of 90
Marks:
+1,
-0
If f(x) is a differentiable function in the interval ( 0 , ∞ ) such that f ( 1 ) = 1 and
= 1 , for each x > 0 then f (
) is equal to :
[Main 9 Apr 2016]
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