Question

if x + 1 by x is equal to 5 then x^2+ 1 by x^2 is​

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 = 25 -2 = 23