Question

if x+1/x = 20 then find x²+1/x²​

Answer 1

Answer:

This is your answer-

Step-by-step explanation:

x+1/x=20

then, x²+1/x²=(x+1/x)²-2*x*1/x

=(20)²-2

=400-2

=398

I think this will help you .