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High School Mathematics - 2
6.3 Matrix Review - I

Q 1: If A, B are 3 2, 2 3 matrices, then order of BA is _______.
2 3
2 2
3 2

Q 2: A square matrix whose determinant is non-zero is called a _________ matrix.
non-singular
singular

Q 3: If AT = -A, then A is called _______.
scalar matrix
none of these
symmetric matrix
skew symmetric matrix

Q 4: If A is of order 2 5 and B is of order 5 4, then the order of AB is ________.
2 5
5 2
4 2
2 4

Q 5: (AB)T = ________.
BTAT
ATBT

Q 6: (AB)-| = ________.
B-|A-|
A-|B-|

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Question 8: This question is available to subscribers only!


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