imo class 12 vector algebra

If vectors a and b have magnitudes 4 and 5 and angle 30°, then |a×b| equals:

VAVidaara Admin Asked 6d ago 0 views 0 answers
#IMO#Class 12#Mathematics#Vector Algebra#achievers

If vectors a and b have magnitudes 4 and 5 and angle 30°, then |a×b| equals:

  • A. 10
  • B. 20
  • C. 5
  • D. 4

Answer: A) 10

Explanation: 4×5×1/2 = 10.

0 Answers

Log in to post your own answer or join the discussion.

Discussion (0)

No comments yet — start the discussion.

← Back to all questions