Math, asked by elsa9893, 9 months ago

If X square +1 upon X square is equal to 7 then find the value of X-1 by X whole square

Answers

Answered by Anonymous

1

Step-by-step explanation:

x² + 1/x² = 7

x² + 1/x² - 2 = 5

(x - 1/x)² = 5

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