$\"\"$

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The complex numbers are $\"\"$ and $\"\"$ .

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Find $\"\"$ .

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Products of complex numbers in polar form : $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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Find $\"\"$ .

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Quotients of complex numbers in polar form : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$ .