Question

if x²+1/x²=23,find the value of x+1/x .....please help me to solve this que.​

Answer 1

Please see the above attachment..

Answer 2

I HOPE THAT, IT WILL BE HELPFUL FOR YOU !

(x+1 /x)

= x^2 +1/x^2+2 X x X x

{using formula(a+b)^2}

=x^2+1/x^2

Now, putting the value of x^2 +1/x^2 that is23

=23+2

=25

Therefore,

x+1/x=root 25= - +5