imo class 12 vector algebra

If a = 2i + j + k, b = i + 2j + k and c = i + j + 2k, then [a,b,c] equals:

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If a = 2i + j + k, b = i + 2j + k and c = i + j + 2k, then [a,b,c] equals:

  • A. 4
  • B. 2
  • C. 0
  • D. 8

Answer: A) 4

Explanation: Determinant equals 4.

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