# Complex Expressions : Cartesian and Polar Form

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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

Q4

Please see the attached file for the fully formatted problems.

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#### Solution Summary

Complex expressions are simplified using the cartesian and polar form. The solution is detailed and well presented.

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