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Evaluate (6 + 3i) − (2 − i).

A4 + 4i
B4 + 2i
C8 + 2i
D8 + 4i
Answer & Solution
Correct answer: A. 4 + 4i
Subtract real parts 6 − 2 = 4 and imaginary parts 3 − (−1) = 4.
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