Math, asked by sumanmishl8ra1525, 2 months ago

given that x + 1/x = 9, find the value of x2 + 1/x2

Answers

Answered by usernametaken8

1

Step-by-step explanation:

Square both sides

(x+1/x)² = 9²

x² + 1/x² + 2×x×1/x = 81

x² + 1/x² = 79

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