Tutorial - Combining complex numbers ex 7, (7 + 9i) + (-5i)

The video tutorial explains how to combine complex numbers through addition and subtraction. It begins by introducing the concept of complex numbers, which consist of real and imaginary components. The tutorial then provides a detailed example of adding two complex numbers, demonstrating how to combine the real parts and the imaginary parts separately. The process is illustrated step-by-step, leading to the final result of the addition. The tutorial concludes with a summary of the steps involved in adding complex numbers.

In the example given, what is the real component of the complex number 7 + 9i?

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What is the result of combining 9i and -5i?

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