$\"\"$

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The vector v is $\"\"$ .

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The unit vector in the direction of v is $\"\"$

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The magnitude of the vector $\"\"$

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$\"\"$

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$\"\"$

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The unit vector is $\"\"$

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$\"\"$

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Rationalize the denominator .

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$\"\"$

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$\"\"$

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Find the length of unit vector .

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$\"\"$

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The unit vector has length 1.

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$\"\"$

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The unit vector in the direction of v is $\"\"$ .