$\"\"$

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The DeMoivres Theorem : if $\"\"$ , then $\"\"$ .

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$\"\"$

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The expression is $\"\"$ .

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Let $\"\"$ .

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$\"\"$

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$\"\"$ .

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Rewrite the expression as $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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The standard form is $\"\"$ .