Question

x³+x²-1/x²-1/x³...............factorise​

Answer 1

Step-by-step explanation:

x^3 + x^2- 1/x^2 + 1/x^3

= x^3 + 1/x^3 + x^2 - 1/x^2

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

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

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