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underset(x to oo)"Lt" (e^(1//x)-e^(-1//x...

`underset(x to oo)"Lt" (e^(1//x)-e^(-1//x))/(e^(1//x)+e^(-1//x))=`

A

`-1`

B

1

C

0

D

does not exist

Text Solution

Verified by Experts

The correct Answer is:
C
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