If A = 4i - 2j + 3k and B = 2i + j - 2k, the angle between vector A and vector B is
A) 0°.
B) 45°.
C) -45°.
D) 90°.

Name: If A = 4i - 2j + 3k and B = 2i + j - 2k, the angle between vector A and vector B is A) 0°. B) 45°. C) -45°. D) 90°.
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Question

Quizplus · Accepted Answer

The dot product of A and B is zero, indicating that the vectors are perpendicular, hence the angle between them is 90°.

If a = 4i - 2j + 3k and B