Question

if x^2 = 1/x^2 = 23, evaluate x+1/x​

Answer 1

Answer:

let [x+1/x]^2= x^2+1/x^2+2

= 23+2

= 25

Step-by-step explanation:

now , [x+1/x]^2=25

[x+1/x]^2=5^2

[x+1/x]= 5

x+1/x = 5