Adding, subtracting and scaling complex numbers
Adding, subtracting and scaling complex numbers
IB Year 6 | Grade 12
Two complex numbers are given by \(z_1=4+3i\) and \(z_2=-2+5i\). Find each of the following in Cartesian form.
- \(z_1+z_2\)
- \(z_1-2z_2\)
- \(3z_1+2z_2\)
Solution:
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Answer:(a) \(2+8i\) (b) \(8-7i\) (c) \(8+19i\)
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