Question

(x+1/x)³ expand using identity

Answer 1

Given : [x+1/x]³ expand the identity

Formulae : [a+b]³ is a³+b³+3a²b+3ab²

Use this identity : x³+1/x³+3x²×1/x+3x×1/x²

x³+1/x³+3x+3/x

Answer 2

Step-by-step explanation:

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