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High School Mathematics - 2
6.3 Matrix Review - I
: A matrix has inverse if it is ________ matrix.
: If A is of order 2
5 and B is of order 5
4, then the order of AB is ________.
: A square matrix whose determinant is non-zero is called a _________ matrix.
: A square matrix whose determinant is zero is called a ____ matrix
: If A
= -A, then A is called _______.
skew symmetric matrix
none of these
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