Addition and subtraction of complex numbers (a+bi) + (c+di) lesson 1

In adding or subtracting complex numbers, we add or subtract the real parts separately and also add or subtract the imaginary part separately. In adding z1 = a+bi and z2=c+di, we write (a+c) + (b+d)i and to subtract z2 from z1, we write (a-c) +(b-d)i the imaginary part we use the distributive rule.
complex numbers
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complex numbers addition
subtraction of complex numbers
addition of complex numbers
sum of complex numbers
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