\"\"

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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 \"\".