Question

if (z-1/z)=6 find the value of z*4+1/z​

Answer 1

oh ya my mistake.. it's answer is 5

Answer 2

Answer: -5.8

Step-by-step explanation:

Z-1/Z=6

Z-1=6Z

-1=6Z-Z

-1=5Z

Z=-1/5

Let us put this value in the asked problem

Zx4+1/Z

-1/5x4+1/(-1/5)

-4/5-5=-29/5=-5.8

I hope it will help u.....