Math Homework. Do It Faster, Learn It Better.
Operations with Complex Numbers
To add two complex numbers , add the real part to the real part and the imaginary part to the imaginary part.
Example 1:
To subtract two complex numbers, subtract the real part from the real part and the imaginary part from the imaginary part.
Example 2:
To multiply two complex numbers, use the FOIL method and combine like terms .
Example 3:
To divide two complex numbers, multiply the numerator and denominator by the complex conjugate , expand and simplify. Then, write the final answer in standard form.
Example 4: