Question

factorise this x^3-1/x^3​

Answer 1

Refer to the attachment...

Hope this helps u...

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Answer 2

x^3-1/x^3

=(x-1/x) (x^2+(1/x)^2 -2*x*1/x)

=(x-1/x) (x-1/x) (x-1/x)

=(x-1/x)^3