Vectors 3 Question 6
6. The value of , so that the volume of parallelopiped formed by and become minimum, is
(2003, 1M)
(a) -3
(b) 3
(c)
(d)
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Answer:
Correct Answer: 6. (c)
Solution:
- We know that, volume of parallelopiped whose edges are
.
Let
For maximum or minimum, put