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यदि x = a+ (1)/( a) और y = a - (1)/( a) ...

यदि `x = a+ (1)/( a)` और `y = a - (1)/( a)` हो, तो `x^(4) + y^(4) - 2x^(2) y^(2)` का मान ज्ञात करेI

A

4

B

8

C

16

D

64

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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