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

Q 3: If a matrix and its transpose matrix are equal the first one is called a _____matrix. skew symmetric symmetric

Q 4: 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 5: In a 4 ´ 5 matrix there are ______ rows. 5 4

Q 6: A row matrix is a matrix which has only one ______. row column

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