If (x+\frac{1}{x})=81, then x^2+\frac{1}{x^2}=?

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If (x+\frac{1}{x})=81, then x^2+\frac{1}{x^2}=?

E

Editor

Sep 18, 2022

If (x+\frac{1}{x})=81, then x^2+\frac{1}{x^2}=?

Difficulty: Easy

A:

6563

B:

6561

C:

6559

D:

79

ID: 63273db5ca83163ac3a0a077