imo class 12 vector algebra

If a = 5i + j and b = 2i + 4j, then a − b equals:

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If a = 5i + j and b = 2i + 4j, then a − b equals:

  • A. 3i − 3j
  • B. 7i + 5j
  • C. 3i + 3j
  • D. −3i + 3j

Answer: A) 3i − 3j

Explanation: Subtract corresponding components.

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