Freemat with complex number

Since we introduced new elements such as capacitors and inductors. They contain imaginary part of the resistance. Thus, we will need to deal the imaginary number i or j in the equations a lot
 Using freemat is able to help us to solve systems of equations with imaginary solutions.

Here is the assignment that we need to do

1.
Compute by hand

Compute by freemat

2.

3.

4.