Step 1:

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The vector is $\"\"$ .

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The standard form of the vector is $\"\"$

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Compare the above vectors,

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$\"\"$ .

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Magnitude of the vector $\"\"$ .

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Substitute $\"\"$ in above vector.

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$\"\"$

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Magnitude of of the vector is $\"\"$ .

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Solution :

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Magnitude of of the vector is $\"\"$ .