Question

if (x+1/x)=5 ,then (x²+1/x²)=​

Answer 1

Answer:

∴$x^{2} +\frac{1}{x^2}$ = 23

Step-by-step explanation:

$x+\frac{1}{x} =5$

$[x+\frac{1}{x} ] = 5^2$

=>$x^{2} +\frac{1}{x^2} = 25 - 2$

                =23