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Find the magnitude of projection of vector 2i + 3j + k, on a vector which is perpendicular to the plane containing vectors i + j + k and i + 2j + 3k.

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+2 votes
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Find the magnitude of projection of vector 2i + 3j + k, on a vector which is perpendicular to the plane containing vectors i + j + k and i + 2j + 3k.

(1) √3/√2

(2) √2/√3

(3) 4/√3

(4) 2√2/√3

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1 Answer

+1 vote
by (69.8k points)

The correct option is (1).

Explanation:

Normal vector to the plane containing 

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