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If x^4+1/x^4=14159,then the value of x+1...

If `x^4+1/x^4=14159`,then the value of `x+1/x` is:
`x^4+1/x^4=14159`, फिर`x+1/x` का मान है:

A

9

B

12

C

10

D

11

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