Hello, I'd like to know how in developing, factoring or simplifying, we can move from:

Question

goo.gl/zZdzSs

ACDE are strictly positive real constants.
I is an imaginary number.

Answer 1

If you visit wolframalpha.com and enter

a + (1 / ( (1 / (c*d*i)) + d*e*i) )

it will show you how it simplifies it. The "show details" button will explain the steps.

Maybe it will clarify the situation.

Answer 2

Thanks a lot for your help .
I'll visit it