Question

if z-1÷z=1 then z×z+1÷z×z=?​

Answer 1

Answer:

See the photo for your answer...

Answer 2

Step-by-step explanation:

z -1/z =1

z*z +1/z*z =?

z -1=z

z =z +1

(z +1)^2 +1/(z +1)^2

z^2 +1 +2z +1/z^2 +1 +2z

2