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y=int cos[2tan^(-1)sqrt((1-x)/(1+x))]dx ...

`y=int cos[2tan^(-1)sqrt((1-x)/(1+x))]dx` is an equation of a family of

A

straight lines

B

circles

C

ellipse

D

parabolas

Text Solution

Verified by Experts

The correct Answer is:
D
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