AP and TS EAMCET Engineering Model Paper 16

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Question : 40 of 160

Marks: +1, -0

If

(x+1)2

x3+x

=

A

x

+

Bx+C

x2+1

then cosec−1(

1

A

) +cot−1(

1

B

) +sec−1C=

0
π
2
5π
6
π
6

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