AP EAMCET Engineering 23 Apr 2019 Shift 1 Paper

Section: Mathematics

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Question : 65 of 160

Marks: +1, -0

If cos (f(x)) =

1−x2

1+x2

and tan (g(x)) =

3x−x3

1−3x2

, the

df

dg

=

3
2
1+x2+2x3
(1−3x2)2
2
3
x2+x3
(1+x2)(1−3x2)

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