Question

If z+1/z=5 find 1) z-1/z​

Answer 1

sorry friend I don't know the answer . sorry I not able to post link

Answer 2

Step-by-step explanation:

.:Z+1/Z = 5

.: Z+1 =5Z

.: 1 = 5Z-Z

.: 1 = 4Z

.: Z= 1/4

TO FIND:-

=Z-1/Z

={1/4} -1 / (1/4)

=(1-4/4) / 1/4

= (-3/4) x 4/1

= -3 x 1

=-3

I HOPE THIS WILL HELP YOU.