Vectors 4 Question 7
7. Let the vectors and be such that . If and are planes determined by the pairs of vectors , and respectively, then the angle between and is
(2000, 2M)
(a) 0
(b)
(c)
(d)
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Answer:
Correct Answer: 7. (a)
Solution:
- If
is the angle between and , then normal to the planes are
Then,