$\"\"$

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Consider the vector is $\"\"$ .

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The component in $\"\"$ direction is same as the component in $\"\"$ direction.

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Substitute $\"\"$ .

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$\"\"$ .

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The magnitude of the vector is $\"\"$ .

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The magnitude of the vector $\"\"$ is $\"\"$ .

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Substitute $\"\"$ and $\"\"$ .

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$\"\"$ .

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$ .

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Susbtitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$ .

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$\"\"$ or $\"\"$ .

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$\"\"$

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The vector is $\"\"$ or $\"\"$ .