If x +1/x=81, find the value of x²+1/x².
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Hey mate!
Here is your answer > >
x +1/x=81
Squaring both sides
(x +1/x)^2=81^2
x^2+1/x^2+2=6561
x^2+1/x^2=6561-2
x^2+1/x^2=6559
Hope it helps!
Thankyou ☆ ☆
Here is your answer > >
x +1/x=81
Squaring both sides
(x +1/x)^2=81^2
x^2+1/x^2+2=6561
x^2+1/x^2=6561-2
x^2+1/x^2=6559
Hope it helps!
Thankyou ☆ ☆
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