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Adding and subtracting complex numbers

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Now Playing:Adding and subtracting complex numbers – Example 1a
Examples
  1. Adding complex numbers
    1. (3+4i)+(9+3i) (3+4i)+(9+3i)

    2. (12−3i)+(−2+2i)+(5i+1) (\frac{1}{2}-3i)+(-2+2i)+(5i+1)

    3. (6−5i)+(−4+7i)+(4i−2) (6-5i)+(-4+7i)+(4i-2)

Introduction to imaginary numbers
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Notes
Much like any other types of numbers (i.e. whole numbers, real numbers, natural numbers ...etc.), we can apply different types of operations on complex numbers. In this section, we will learn how to perform addition and subtraction on complex numbers.