AP and TS EAMCET Engineering Model Paper 19

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Question : 53 of 160

Marks: +1, -0

If y=cos−1√

√1+x2+1

2√1+x2

then

dy

dx

=

1
1+x2
1
2(1+x2)
1
√1+x2
1
2√(1+x2)

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