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IF a=2+sqrt3 and b=2-sqrt3 then 1/a^2-1/...

IF `a=2+sqrt3 and b=2-sqrt3` then `1/a^2-1/b^2` is equal to

A

14

B

-14

C

`8sqrt3`

D

`-8sqrt3`

Text Solution

Verified by Experts

The correct Answer is:
D
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