यदि y^(4) + (1)/(y^4) =223 तथा y gt 1 हो...

यदि `y^(4) + (1)/(y^4) =223` तथा `y gt 1` हो, तो `(y^(2) + (1)/( y^2) )` का मान क्या है?

A

15

B

14

C

14.86

D

16

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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