Vectors 1 Question 18
19. Let and be three vectors. A vector in the plane of and , whose projection on is of magnitude , is
(1993, 2M)
(a)
(b)
(c)
(d)
Show Answer
Answer:
Correct Answer: 19. (3)
Solution:
- Given vectors are
and . Any vector in the plane of and is
Since, projection of
On putting