Q 1: If A^{T} = A, then A is called _______. none of these symmetric matrix skew symmetric matrix scalar matrix

Q 2: A matrix has inverse if it is ________ matrix. nonsingular singular

Q 3: A square matrix whose determinant is nonzero is called a _________ matrix. nonsingular 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: (AB)^{T} = ________. A^{T}B^{T} B^{T}A^{T}

Q 6: If A, B are 3 ´ 2, 2 ´ 3 matrices, then order of BA is _______. 2 ´ 2 2 ´ 3 3 ´ 2

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