Question

(x+1/x)^2=2(x+1/x)+5​

Answer 1

Answer:

23

Step-by-step explanation:

( x + 1 /x ) = 5

( x + 1 / x )^2 = 25

= x^2 + 1 / x^2 + 2 * x * 1/x =25

= x ^2 + 1/x^2 + 2 = 25

= X^2 + 1 / x^2 = 25 - 2 = 23