imo class 12 matrices

If A = [[5, 6], [7, 8]] and B = [[1, 2], [3, 4]], then A − B is:

VAVidaara Admin Asked 6d ago 0 views 0 answers

If A = [[5, 6], [7, 8]] and B = [[1, 2], [3, 4]], then A − B is:

  • A. [[4, 4], [4, 4]]
  • B. [[6, 8], [10, 12]]
  • C. [[5, 4], [4, 4]]
  • D. [[−4, −4], [−4, −4]]

Answer: A) [[4, 4], [4, 4]]

Explanation: A − B = [[5−1, 6−2], [7−3, 8−4]] = [[4, 4], [4, 4]].

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