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-i

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-i

Front

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

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7 - 13i

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i

Front

Define the imaginary unit 'i'.

Back

Front

What is the pattern of powers of 'i'?

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Front

How do you add complex numbers?

Back

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

Front

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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