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High School Mathematics - 26.3 Matrix Review - I

 Q 1: If AT = -A, then A is called _______.scalar matrixskew symmetric matrixnone of thesesymmetric matrix Q 2: A matrix has inverse if it is ________ matrix.singularnon-singular Q 3: If A, B are 3 ´ 2, 2 ´ 3 matrices, then order of BA is _______.2 ´ 33 ´ 22 ´ 2 Q 4: If A is of order 2 ´ 5 and B is of order 5 ´ 4, then the order of AB is ________.5 ´ 22 ´ 54 ´ 22 ´ 4 Q 5: (AB)-| = ________.A-|B-|B-|A-| Q 6: A square matrix whose determinant is zero is called a ____ matrixnon-singularsingular Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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