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If the rank of a matrix A is 2, then the rank of 2A is
If A is a skewsymmetric matrix, then trace of A is
If A = are two matrices such that the product AB is a null matrix, then is
If A is a square matrix such that AA` = I, then value of A`A is
If A is a square matrix of order n such that its elements are polynomial in x and its rrows become identical for x = k, then
If A is a 3rowed square matrix, then  5 A  is equal to
In the determinant , the ratio of the cofactor to its minor of the element – 3 is
If ω is an imaginary cube root of unity and x is real number, then which one of the following is a factor of
If A is a square matrix of order 4, and I is a unit matrix, then it is true that
106 videos27 docs30 tests

106 videos27 docs30 tests
