Q 1: Identity matrix is a square matrix in which the elements in the principal diagonal are each one and all the other elements are zero. True False

Q 2: A zero matrix is a matrix in which every element of _______. one zero

Q 3: If B is a matrix of order 2 ´ 1 and AB is of order 1 ´ 1, then matrix A is of order________. 2 ´ 1 1 ´ 2

Q 4: A row matrix is a matrix which has only one ______. row column

Q 5: If a matrix and its transpose matrix are equal the first one is called a _____matrix. symmetric skew symmetric

Q 6: The transpose of a given matrix is obtained by interchanging rows with columns. False True

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