Question

Find the value of x^2 + 1 x^2 if x − 1 x = 4.

Answer 1

10

Explanation:

x-1/x=4

X-1=4x

-1=4x-x

-1=3x

-1/3=x

-1/3^2+1/-1/3^2

1/9+1/1/9

10/9/1/9

10/9x9/1

90/9

10

Sorry if it is confusing and I just assumed it’s x squared plus 1 divided by x squared if it’s not please tell me