Q 1: If A is of order 2 ´ 1, B is of order 1 ´ 2 and C is order 2 ´ 1, then (AB)C isof order __________. 1 ´ 2 2 ´ 1

Q 2: In a 4 ´ 5 matrix there are ______ rows. 4 5

Q 3: If a matrix and its transpose matrix are equal the first one is called a _____matrix. symmetric skew 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: A zero matrix is a matrix in which every element of _______. one zero

Q 6: 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

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!

