Question

Please send the solution...
the answer is 28​

Answer 1

Answer:

28

Step-by-step explanation:

x^2 + 1 = 5x

X + (1/X) = 5

X^2+ 1/x^2 = (X + 1/X)^2 - 2 = 5^2 - 2 = 25 - 2 = 23

X + (1/X) + x^2+(1/x^2) = 5 + 23 = 28