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Performing Arithmetic with Complex Numbers

Performing Arithmetic with Complex Numbers 1.21 - Solution

arrow_back Return to Performing Arithmetic with Complex Numbers
a
When adding and subtracting complex numbers, we add and subtract the real parts and imaginary parts separately.
The numbers add up to
b
Proceed in the same way as in the previous sub-exercise.
The result of the addition is, therefore,
c
This time, we are going to subtract two complex numbers. This is done in a similar fashion as before. The only difference is that we have to flip the signs when removing the parentheses around the second term.
The subtraction results in
d
Let's now do the same thing once more.
The result is