imo class 12 vector algebra

If a = i + 2j + 3k, b = 2i + 4j + 6k, then vectors are:

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

If a = i + 2j + 3k, b = 2i + 4j + 6k, then vectors are:

  • A. Perpendicular
  • B. Equal
  • C. Collinear
  • D. Unit

Answer: C) Collinear

Explanation: b = 2a.

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