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NCERT Textbook
MATRICES

Class 12
Maths :-NCERT Solutions - Matrices

Page No 64:
Question 1:
In the matrix, write:
(i) The order of the matrix (ii) The number of elements,
(iii) Write the elements a13, a21, a33, a24, a23


Answer:

(i) In the given matrix, the number of rows is 3 and the number of columns is 4. Therefore, the order of the matrix is 3 × 4.

(ii) Since the order of the matrix is 3 × 4, there are 3 × 4 = 12 elements in it.

(iii) a13 = 19, a21 = 35, a33 = −5, a24 = 12, a23 = 


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