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If (sqrt(1 +x^2)+sqrt(1-x^2))/(sqrt(1+x^...

If `(sqrt(1 +x^2)+sqrt(1-x^2))/(sqrt(1+x^2)-sqrt(1-x^2))=3 ` then x=

A

`(-1)/(t^2 (1 + sqrt(1 - t^4)))`

B

`(t^2 (sqrt(1 - t^4) - 1))/(t^6)`

C

`(1)/(t^2 (1 + sqrt(1 - t^4)))`

D

`(1 - sqrt(1 - t^4))/(t^6)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
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