Question

If x +1/x = 8, then find the value of x² + 1/x²​

Answer 1

So ( x +1/x )² = x² + (1/x)² + 2x(1/x)

                    = x² + (1/x)² + 2

Given  x +1/x = 8

Substituting value in the equation

(8)² = x² + (1/x)² + 2

64 - 2 = x² + (1/x)² = 62

x² + (1/x)² = 62

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Answer 2

Step-by-step explanation:

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