Question

(x+1/x) ^2 expand the following with the help of solution ​

Answer 1

Answer:

Explanation:

(x+1/x)²

x²+1/x²+2×x×1/x

x²+1/x²+2

(as x is cancelled by x and 2×1=2)

here i used the identity (a+b)²=a²+b²+2ab

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