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underset(x to 0)"Lt" (sqrt(1-x)-sqrt(1-x...

`underset(x to 0)"Lt" (sqrt(1-x)-sqrt(1-x^(2)))/(sqrt(1+x^(2))-sqrt(1+x))=`

A

1

B

`-1`

C

0

D

2

Text Solution

Verified by Experts

The correct Answer is:
A
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