Let us now suppose that we wish to express the information of possession
Chapter 3
MATRICES
Rationalised 2023-24
MATRICES         35
of notebooks and pens by Radha and her two friends Fauzia and Simran which
is as follows:
Radha
has
15
notebooks
and
6 pens,
Fauzia
has
10
notebooks
and
2 pens,
Simran
has
13
notebooks
and
5 pens Now this could be arranged in the tabular form as follows:
Notebooks
Pens
Radha
15
6
Fauzia
10
2
Simran
13
5
and this can be expressed as
or
Radha
Fauzia
Simran
Notebooks
15
10
13
Pens
6
2
5
which can be expressed as:
In the first arrangement the entries in the first column represent the number of
note books possessed by Radha, Fauzia and Simran, respectively and the entries in the
second column represent the number of pens possessed by Radha, Fauzia and Simran,
Rationalised 2023-24
 36
MATHEMATICS
respectively Similarly, in the second arrangement, the entries in the first row represent
the number of notebooks possessed by Radha, Fauzia and Simran, respectively The
entries in the second row represent the number of pens possessed by Radha, Fauzia
and Simran, respectively