1.

Find the sum of (x + (1)/(x))^(2), (x^(2) + (1)/(x^(2)))^(2), (x^(3) + (1)/(x^(3)))^(2), ……..to n terms

Answer»


ANSWER :`((X^(2N)-1)/(x^(2)-1)) (x^(2) + (1)/(x^(2n)))+ 2n`


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