If x=p+1px=p+1p and y=p−1py=p−1p then the value of x4 - 2x2y2 + y4 – McqOptions

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1.	If x=p+1px=p+1p and y=p−1py=p−1p then the value of x4 - 2x2y2 + y4 = ?
A.	24
B.	4
C.	16
D.	8
Answer» B. 4

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