$\"\"$

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The standard form of the complex number is $\"\"$ , where $\"\"$ and $\"\"$ are real numbers.

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The complex number is $\"\"$ .

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$\"\"$

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Substitute $\"\"$ for $\"\"$ .

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$\"\"$

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Substitute the value $\"\"$ .

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$\"\"$

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The standard form of complex number is $\"\"$ and its conjugate $\"\"$ .

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The complex number is $\"\"$ and its conjugate $\"\"$ .

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The quotient complex number is $\"\"$ .

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Multiply numerator and denominator by complex conjugate of denominator.

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$\"\"$

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$\"\"$

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Substitute the value $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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The standard form of the complex number is $\"\"$ .