Projection of vector a on b:
A|a|
B|b|
C(a · b) / |b|
Da × b
Answer & Solution
Correct answer: C. (a · b) / |b|
Scalar projection: (a · b)/|b|. Vector projection: ((a · b)/|b|²) × b. Geometric: 'shadow' of a onto direction of b.
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