1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Mathematics
Multiplication of Matrices
If a+43 b 8-6...
Question
If
a
+
4
3
b
8
-
6
=
2
a
+
2
b
+
2
8
a
-
8
b
, write the value of a − 2b.
Open in App
Solution
a
+
4
3
b
8
-
6
=
2
a
+
2
b
+
2
8
a
-
8
b
Corresponding
elements
of
equal
matrices
are
equal
.
∴
a
+
4
=
2
a
+
2
and
3
b
=
b
+
2
⇒
4
-
2
=
2
a
-
a
and
3
b
-
b
=
2
⇒
a
=
2
and
2
b
=
2
⇒
a
=
2
and
b
=
1
∴
a
-
2
b
=
2
-
2
=
0
Suggest Corrections
0
Similar questions
Q.
If
[
a
+
4
3
b
8
−
6
]
=
[
2
a
+
2
b
+
2
8
a
−
8
b
]
then find the value of
(
a
−
2
b
)
.
Q.
If
x
=
4
a
b
a
+
b
then value of
x
+
2
a
x
−
2
a
+
x
+
2
b
x
−
2
b
Q.
Find the value of
a
3
−
8
b
3
−
36
a
b
−
216
when
a
=
2
b
+
6
Q.
Question 32
The value of
(
a
+
b
)
2
+
(
a
−
b
)
2
is
a)
2
a
+
2
b
b)
2
a
−
2
b
c)
2
a
2
+
2
b
2
a)
2
a
2
+
2
b
2
Q.
If the system of equations has infinitely many solutions, then
2
x
+
3
y
=
7
2
a
x
+
a
+
b
y
=
28
(a) a = 2b
(b) b = 2a
(c) a + 2b = 0
(d) 2a + b = 0
