XII Maths Chapter 3. Matrix | Page 3

Numerical : Consider the following information regarding the number of men and women workers in three factories I , II and III . Represent the information in form of a 3 × 2 matrix . What does the entry in the third row and second column represent
Solution :
Numerical :
Solution : Since this Matrix has 3 rows & 4 columns , the order is 3 x 4 . Using the convention
A13 = 19 , A21 = 35 , A33 = -5 , A24 = 12 , A23 = 5 / 2