Math, asked by KanishkGaur11, 1 year ago

if x²+1/x² =18, find x-1/x

Answers

Answered by sofia40
5
here is ur answr

x^2+1/x^2+2=(x+1/x)^2

x+1/x=under root (18-2)

x+1/x=4

KanishkGaur11: what u mean by root under i cant understand sorry
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