Question

If (x-1/x)=1/2 find the value (4x^2+4/x^2).
Help please! :D

Answer 1

Step-by-step explanation:

x-1/x=1/2

by cross multiplication

(x-1)2=x

2x-2=x

x=2

4x^2+4/x^2

4(2)^2+4/2^2

4(4)+4/4

16+1

17

Answer 2

Answer:

9

Step-by-step explanation:

Hope this will help you