imo class 12 vector algebra

If a = i + j, b = i − j, then |a+b| equals:

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

If a = i + j, b = i − j, then |a+b| equals:

  • A. 2
  • B. √2
  • C. 1
  • D. 2√2

Answer: A) 2

Explanation: a+b = 2i, magnitude 2.

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