यदि x -1/x = 2 हो, तो x^4 + 1/ x^4 का मान ह� – McqOptions

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1.	यदि x -1/x = 2 हो, तो x^4 + 1/ x^4 का मान होगा-
A.	6
B.	2
C.	14
D.	23
Answer» D. 23

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