Question

x-1/x =4 findx²-1/x²​

Answer 1

Answer:

8√5 is the answer for the given question

Answer 2

Answer:

The answer is 8

Step-by-step explanation:

First to find the value of x:

x-1=4x

3x=-1

x=-1/3

Now substituting the value of x;

(-1/3)^2-1/ (-1/3)^2

=(-8/9)/(-1/9)

= 8