PDF chapter test TRY NOW
1. Find the order of the following matrices.
(i) \(=\)
(ii) \(=\)
2. Consider the following information regarding the number of men and women workers in three factories I, II and III.
Factory | Men | Women |
I | 23 | 18 |
II | 47 | 36 |
III | 15 | 16 |
Represent the above information in the form of a matrix. For example, what do the entry in the second row and first column represent?
The entry in the second row and the first column is .
3. If a matrix has \(16\) elements, what are the possible orders can it have?
The possible orders are
4. Construct a \(3 \times 3\) matrix whose elements are \(a_{ij} = i^2 j^2\).