2  Multiplication of a matrix by a scalar
Now suppose that Fatima has doubled the production at a factory A in all categories
(refer to 3 4 1) Rationalised 2023-24
MATRICES         45
Previously quantities (in standard units) produced by factory A  were
Revised quantities produced by factory A are as given below:
Boys
Girls
2 80
2
60
1
2 2
75
2
65
3 2 90
2 85
×
×




×
×




×
×


This can be represented in the matrix form as 
160
120
150
130
180
170









