Published by:
CGP EDU Academic Team
Published on: August 11, 2026
If 
and 
are non-zero and non-collinear vectors, then
A
B
C
If 
and 
, then 
and , then
D
If 
, then 
, then
Text Solution
Verified by ExpertsThe correct answer is:
A
(a, b, c, d)
Let 
for option
[ a b 
] = 
= a 2 b 3 – a 3 b 2
for option 
= a 1 b 1 + a 2 b 2 + a 3 b 3
for option 
= 
| 
| 2 = 
= | a | 2 = 
= 1 – cos 2 θ = sin 2 θ
= 
= 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
If a of magnitude is collinear with the vector , and makes an acute angle with thepositive direct…
If and , then the value of such that is at right angle tovector , is
A vector a has components and with respect to a rectangular Cartesian system. The system isrotate…
If and , then a unit vector perpendicular to both and is . Find
If and at least one of the numbers and is non-zero, Find .
If and are any two non-collinear unit vectors and is any vector, then
. Find