If x = p + 1/ p and y = p - 1 / p, then value of x^4 - 2x²y²+y^4 is – McqOptions

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1.	If x = p + 1/ p and y = p - 1 / p, then value of x^4 - 2x²y²+y^4 is :
A.	24
B.	4
C.	16
D.	8
Answer» D. 8

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