AP EAMCET Engineering 2014 Code A Solved Paper

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Question : 66 of 160

Marks: +1, -0

If f(x)=

x

1+x

and g(x)=f(f(x)) then g′(x)=

1
(x+1)2
1
x2
1
(2x+1)2
1
(2x+3)2

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