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Interactive Grade 12 Maths Vectors & 3D Worksheet

Maths · Grade 12 · 25 questions

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Vectors & 3D

1.

If a·b = 0, vectors a and b are ___

A.Perpendicular (orthogonal)B.ParallelC.EqualD.Anti-parallel

2.

cos(θ) between a=(1,2,3) and b=(2,1,3) ≈ ?

A.0.93B.0.98C.1.13D.0.88

3.

v = (3,2,2). 3v = ?

A.(6,5,5)B.(3,2,2)C.(3,3,3)D.(9,6,6)

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