Question

if (x+1/x)=5 then (x^2+1/x^2) =?​

Answer 1

Here is your answer to the given question.

Answer 2

(x +1/x)=5

x+1=5x

1=5x-x

1=4x

x=1/4

Substituting x in (x^2 +1/x^2)

[(1/4)^2 +1 / (1/4)^2]

( 1/16 + 1) × 16

17/16 × 16

17

hope it helps...