$\"\"$

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The complex numbers is $\"\"$ and $\"\"$

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Sum of $\"\"$ and $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Product of $\"\"$ and $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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The sum of the complex numbers is $\"\"$ and product is $\"\"$ .