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underset(x to 0)"Lt" (sqrt(a+x^(2))-sqrt...

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

A

0

B

1

C

`sqrta`

D

`1//sqrta`

Text Solution

Verified by Experts

The correct Answer is:
D
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