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

2. null/zero matrix
3. symmetric
4. skew symmetric

A

MCQ: Generally matrices are denoted by

1. capital letters
2. numbers
3. small letters
4. operational signs

A

MCQ: A matrix with only 1 row is called

1. column matrix
2. row matrix
3. identical matrix
4. square matrix

B

MCQ: If A(BC) = (AB)C, then with respect to multiplication this law is called

1. Inverse law
2. associative law
3. cramers law