\"\"

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The vectors are \"\",  \"\" and \"\".

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Find \"\".

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\"\" and  \"\".

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\"\" and  \"\".

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The expression is \"\".

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Substitute \"\" and \"\" values in the expression.

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\"\"

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\"\".

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The value of expression \"\" is \"\".

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\"\"

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The value of expression \"\" is \"\".