Question

if x +1/x=3 ,find the value of x^2+(1/x^2)
pls answer fast

Answer 1

Answer:

7

Step-by-step explanation:

(X+1/X) ^2=9

X^2+2*X*1/X+1/X^2=9

X^2+2+1/X^2=9

X^2+1/X^2=9-2

X^2+1/X^2=7