Question
Mathematics Question on Vector Algebra
if |a| = 4, |b| = 5, |a - b| = 3 and θ is the angle between the vectors a and b, then cot2 θ =
A
169
B
34
C
43
D
916
Answer
916
Explanation
Solution
The correct option is (D) 916
if |a| = 4, |b| = 5, |a - b| = 3 and θ is the angle between the vectors a and b, then cot2 θ =
169
34
43
916
916
The correct option is (D) 916