if x²+1/x² =18, find x-1/x
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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
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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