Class 9 Math MCQs (Grade 9) From Textbook

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Class 9 Math MCQs – Certification Test 446

Matrices: Addition and Subtraction MCQs (Question 446) – Study App & e-Book Download

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MCQ: 446

A zero matrix ‘O’ of order m-by-n and A + O = O + A = A, then the matrix is said to be

  1. additive identity matrix
  2. null/zero matrix
  3. symmetric
  4. skew symmetric

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