12.2 Basic Operations with Complex Numbers
Addition, Subtraction, Multiplication, and Division of Complex Numbers • Complex Numbers on Calculator
The basic operations of addition, subtraction, multiplication, and division of complex numbers are based on the operations for binomials with real coefficients. In performing these operations, we treat j as we would any other literal number, although we must properly handle any powers of j that might occur.
NOTE
[However, we must be careful to express all complex numbers in terms of j before performing these operations.] Therefore, we now have the definitions for these operations.
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