Question

x + 1/x = 5 , then find the value
of x ^ 2 + 1/(x ^ 2)​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

x+1/x = 5

(X+1/X)² = x² + 2•x•1/X ± 1/x²

(5)² = x² + 1/x² + 2

25-2 = x² + 1/x²

x² + 1/x² = 23

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