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यदि y = cos^(-1)sqrt((sqrt(1+x^(2))+1)/(...

यदि `y = cos^(-1)sqrt((sqrt(1+x^(2))+1)/(2sqrt(1+x^(2))))` हो, तो `(dy)/(dx)` बराबर है -

A

`(1)/(2(1+x^(2))), x in R`

B

`(1)/(2(1+x^(2))), x gt 0`

C

`(-1)/(2(1+x^(2))), x lt 0`

D

`(1)/(2(1+x^(2))), x lt 0`

लिखित उत्तर

Verified by Experts

The correct Answer is:
B, C
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