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Byju's Answer
Standard X
Mathematics
Factor Theorem
The factors o...
Question
The factors of
(
2
x
−
3
y
)
3
+
(
3
y
−
4
z
)
3
+
8
(
2
z
−
x
)
3
are :
A
2
x
×
3
y
×
4
z
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B
2
(
2
x
−
3
y
)
(
3
y
−
4
z
)
(
2
z
−
x
)
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C
6
(
2
x
−
3
y
)
(
3
y
−
4
z
)
(
2
z
−
x
)
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D
3
(
2
x
−
3
y
)
(
3
y
−
4
z
)
(
2
z
−
x
)
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Solution
The correct options are
B
2
(
2
x
−
3
y
)
(
3
y
−
4
z
)
(
2
z
−
x
)
C
6
(
2
x
−
3
y
)
(
3
y
−
4
z
)
(
2
z
−
x
)
D
3
(
2
x
−
3
y
)
(
3
y
−
4
z
)
(
2
z
−
x
)
(
2
x
−
3
y
)
3
+
(
3
y
−
4
z
)
3
+
(
4
z
−
2
x
)
3
The equation can be written in this way
We know,
(
a
)
3
+
(
b
)
3
+
(
c
)
3
−
3
a
b
c
=
(
a
+
b
+
c
)
(
a
2
+
b
2
+
c
2
−
a
b
−
b
c
−
c
a
)
if
a
+
b
+
c
=
0
,
then
(
a
)
3
+
(
b
)
3
+
(
c
)
3
=
3
a
b
c
Hence as we see,
2
x
−
3
y
+
3
y
−
4
z
+
4
z
−
2
x
=
0
(
2
x
−
3
y
)
3
+
(
3
y
−
4
z
)
3
+
(
4
z
−
2
x
)
3
=
6
(
2
x
−
3
y
)
(
3
y
−
4
z
)
(
2
z
−
x
)
hence,
option B,C,D are correct.
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