$\"\"$

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

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Cross product of $\"\"$ and $\"\"$ is

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$\"\"$

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Cross product of $\"\"$ and $\"\"$ is

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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The vectors $\"\"$ and $\"\"$ are orthogonal if and only if $\"\"$ .

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The dot product of $\"\"$ and $\"\"$ is $\"\"$ .

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Find the dot product of $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$ .

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Find the dot product of $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$ .

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Thus, the $\"\"$ is orthogonal to the both $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$ is orthogonal to the both $\"\"$ and $\"\"$ .