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Note that this rule says that to multiply two complex numbers, you multiply moduli and add arguments, whereas to divide two complex numbers, you divide moduli and subtract arguments.

Success Criteria: Understand the imaginary unit i and perform operations with complex numbers.

Every polynomial equation of degree n with complex number coefficients has n roots or solutions or zeros in complex numbers (some may be redundant or duplicate solutions).

Write your answers in the form of a+bi, where a and b are real numbers. Find the product and write the result in standard form. Divide and express the result in standard form. Solve the equation.

Apr 8, 2025 · 1 Lecture Notes This handout will introduce complex numbers, how to think about them, and how to problem solve using them.

Conjugates The numbers + and − are called the complex conjugates of each other.