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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 2
3 2
2 3

Q 2: If AT = -A, then A is called _______.
symmetric matrix
scalar matrix
skew symmetric matrix
none of these

Q 3: A square matrix whose determinant is zero is called a ____ matrix
non-singular
singular

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

Q 5: A square matrix whose determinant is non-zero is called a _________ matrix.
non-singular
singular

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

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Question 8: This question is available to subscribers only!


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