For questions 1 - 3 give answer in Cartesian form and question 4 in polar form.
Q1 2z1 + z2 - 4z3 where z1 = 5 - j7, z2 = 4 + j, z3 = 8 - j5
Q2 z1z2 where z1 = - 3 - j5, z2 = 4 + j5
Q3 where z1 = 1 + j6, z2 = 3 + j7
Please see the attached file for the fully formatted problems.
Complex expressions are simplified. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.