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यदि a=5 +2 sqrt6 हो, तो a- (1)/(a) बराबर...

यदि `a=5 +2 sqrt6` हो, तो `a- (1)/(a)` बराबर होगा:

A

`4 sqrt6`

B

`-4 sqrt6`

C

10

D

`-10`

लिखित उत्तर

Verified by Experts

The correct Answer is:
A
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