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Vectors in three dimensions — Question 29

Original QCE Vault practice · 1 mark

Q29 · Practice questionSimple familiar1 mark

QUESTION 29

Let a=(2,1,2)\mathbf a=(2,1,2) and b=(1,2,2)\mathbf b=(1,2,2). The scalar projection of a\mathbf a on b\mathbf b is
(A)
88
(B)
8/98/9
(C)
8/38/3
(D)
3/83/8
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