Question

If x+1/x=9 and x2+1/x2=53 find x-1x

Answer 1

Hey mate! Here is your answer...
Step by step èxpĺáńàťìøñ. :::)
X + 1/x =9
(X - 1/x)^2= x^2 + 1 / x^2 - 2*x*1/x
=) x - 1 / x = (53 - 2)^1 /2
=)x - 1 / x = 51^1/2
Hope that helps you.
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