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If 0ltxlt1 then sqrt(1+x^(2))[{xcos(cot^...

If `0ltxlt1` then `sqrt(1+x^(2))[{xcos(cot^(-1)x)+sin(cot^(-1)x)}^(2)-1]^(1/2)` is equal ot

A

`x/(sqrt(1+x^(2)))`

B

`x`

C

`xsqrt(1+x^(2))`

D

`sqrt(1+x^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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