imo class 12 matrices

If A = [[1, 0, 0], [0, 2, 0], [0, 0, 3]], then trace(A) is:

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

If A = [[1, 0, 0], [0, 2, 0], [0, 0, 3]], then trace(A) is:

  • A. 6
  • B. 5
  • C. 3
  • D. 1

Answer: A) 6

Explanation: Trace(A) = 1 + 2 + 3 = 6.

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