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punjab-curriculum-and-textbook-board-pctb
10th-class
mathematics
Mathematics 10
Matrices And Determinants
Exercise 3.2
Topic 3.3
3 mins read
medium Level
2024 Edition
Exercise 3.2
Textbook Content
Exercise 3.2
1. If
A
=
[
2
3
4
5
]
A = \left[ \begin{array}{ll}2 & 3\\ 4 & 5 \end{array} \right]
A
=
[
2
4
3
5
]
,
B
=
[
5
6
7
8
]
B = \left[ \begin{array}{ll}5 & 6\\ 7 & 8 \end{array} \right]
B
=
[
5
7
6
8
]
,
C
=
[
1
2
3
1
]
C = \left[ \begin{array}{ll}1 & 2\\ 3 & 1 \end{array} \right]
C
=
[
1
3
2
1
]
then compute:
2. Find the value of
x
x
x
,
y
y
y
,
z
z
z
,
a
a
a
,
b
b
b
,
c
c
c
from the following equations.
3. If
A
=
[
2
1
−
3
4
]
A = \left[ \begin{array}{ll}2 & 1\\ -3 & 4 \end{array} \right]
A
=
[
2
−
3
1
4
]
,
B
=
[
1
2
3
4
]
B = \left[ \begin{array}{ll}1 & 2\\ 3 & 4 \end{array} \right]
B
=
[
1
3
2
4
]
,
C
=
[
1
0
0
1
]
C = \left[ \begin{array}{ll}1 & 0\\ 0 & 1 \end{array} \right]
C
=
[
1
0
0
1
]
then verify the following.
Topic Tags:
#exercise
#matrix operations
#addition
#subtraction
#multiplication
#transpose
#mathematics
#10th class
Addition, Subtraction and Scalar Multiplication
Determinants and Singular/Non-Singular Matrices