Powers of i and Adding/Subtracting Complex Numbers

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-i

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-i

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Calculate: (4 - 7i) - (-3 + 6i)

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7 - 13i

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i

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Define the imaginary unit 'i'.

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What is the pattern of powers of 'i'?

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How do you add complex numbers?

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To add complex numbers, add the real parts and the imaginary parts separately.

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How do you subtract complex numbers?

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To subtract complex numbers, subtract the real parts and the imaginary parts separately.

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