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If 2a+1/a=4, then the value of a^2+1/(4a...

If `2a+1/a=4`, then the value of `a^2+1/(4a^2)` is :
यदि `2a+1/a=4`, `a^2+1/(4a^2)` का मान ज्ञात करें :

A

3

B

4

C

5

D

12

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