Two vectors A and B are such that |A+B=A-B). The angle between the vectors A and B is:
(1) 0
(2) π/3
(3)π / 2
(4)π
Answers
Answered by
0
Answer:
We have ∣a.b∣=∣a×b∣
⇒∣a∣∣b∣∣cosθ∣=∣a∣∣b∣∣sinθ∣
( where θ is the angle between a and b)
⇒∣cosθ∣=∣sinθ∣⇒θ=
4
π
or
4
3π
But a.b<0,∴θ=
4
3π
Answered By Tamoha
Answered by
0
Answer:
If A and B are treated as numbers, then it's solution is zero for both
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