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If underset(x to 0)"Lt" (1+a/x+b/x^(2))^...

If `underset(x to 0)"Lt" (1+a/x+b/x^(2))^(2x)=e^(2)`, then the value of a and b are

A

`a in R, b in R`

B

`a=1 and b=2`

C

`a in R, b=2`

D

`a=1, b in R`

Text Solution

Verified by Experts

The correct Answer is:
D
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