$\"\"$

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Find the projection of $\"\"$ onto $\"\"$ .

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The vectors are $\"\"$ and $\"\"$ .

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Projection of $\"\"$ onto $\"\"$ : $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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Find $\"\"$ .

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Since $\"\"$ , $\"\"$ .

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$\"\"$

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$\"\"$

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Vector $\"\"$ .

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$\"\"$ .

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$\"\"$

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$\"\"$ ; $\"\"$ .