Math, asked by gs14102005, 7 months ago

Factorise
x⁸-y⁸

x⁶-y⁶

If x -1/x = -2

find x²+1/x²

Answers

Answered by dilliprasaddhakal528

0

Answer:

x8 - y8

= (x4)^2 - (y4)^2

= (x4+y4)(x4-y4)

= (x4+y4)(x2+y2)(x2-y2)

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