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Byju's Answer
Standard XII
Mathematics
Purely Real
Factroise: ...
Question
Factroise:
4
a
2
+
9
b
2
+
c
2
−
12
a
b
−
6
b
c
+
4
a
c
Open in App
Solution
Formula:
(
a
+
b
−
c
)
2
=
a
2
+
b
2
+
c
2
+
2
a
b
−
2
b
c
−
2
c
a
Given,
4
a
2
+
9
b
2
+
c
2
−
12
a
b
−
6
b
c
+
4
a
c
=
(
2
a
)
2
+
(
3
b
)
2
+
(
1
c
)
2
−
2
(
2
a
)
(
3
b
)
−
2
(
3
b
)
(
1
c
)
+
2
(
2
a
)
(
1
c
)
=
(
2
a
+
3
b
−
c
)
2
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0
Similar questions
Q.
Factorise :
4
a
2
+
9
b
2
+
c
2
−
12
a
b
−
6
b
c
+
4
a
c
.
Q.
Find the square root of:
4
a
2
+
9
b
2
+
c
2
−
12
a
b
+
6
b
c
−
4
a
c
Q.
Factorise:
4
a
2
+
9
b
2
+
16
c
2
+
12
a
b
−
24
b
c
−
16
a
c
.
Q.
Factorise Completely :
4
a
2
−
12
a
b
+
9
b
2
+
4
a
−
6
b
Q.
If
4
a
2
+
9
b
2
−
c
2
+
12
a
b
=
0
, then the family of straight lines
a
x
+
b
y
+
c
=
0
is concurrent at
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