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### High School Mathematics - 26.1 Matrix Revision - I

 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 ´ 22 ´ 1 Q 2: In a 4 ´ 5 matrix there are ______ rows.45 Q 3: If a matrix and its transpose matrix are equal the first one is called a _____matrix.symmetricskew 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 ´ 11 ´ 2 Q 5: A zero matrix is a matrix in which every element of _______.onezero 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.TrueFalse Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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