AP and TS EAMCET Engineering Model Paper 7

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Question : 64 of 160

Marks: +1, -0

If y=tan−1(

1

1+x+x2

) +tan−1(

1

x2+3x+3

) +tan−1(

1

x2+5x+7

) then y′(0)=

−
3
10
−
5
10
−
7
10
−
9
10

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