1.

X²- 5x=1 find x²+1/x²​

Answer» 5X = 1

x² - 1 = 5x

(dividing the EQUATION by x)

x - 1/x = 5

(SQUARING both sides)

(x - 1/x)² = 5²

x² + 1/x² - 2 = 25

x² + 1/x² = 25 +2

x² + 1/x² = 27

HOPE IT WILL HELP YOU. :-)



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