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Byju's Answer
Standard VIII
Mathematics
Algebraic Identities
Find the prod...
Question
Find the product:
(
a
−
2
b
+
3
c
)
(
a
b
2
−
a
2
b
)
=
3
a
2
b
2
−
a
3
b
−
2
a
b
3
−
3
a
2
b
c
+
30
b
2
c
A
True
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B
False
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Solution
The correct option is
B
False
We multiply the given expressions
(
a
−
2
b
+
3
c
)
and
(
a
b
2
−
a
2
b
)
as shown below:
(
a
−
2
b
+
3
c
)
(
a
b
2
−
a
2
b
)
=
a
(
a
b
2
−
a
2
b
)
−
2
b
(
a
b
2
−
a
2
b
)
+
3
c
(
a
b
2
−
a
2
b
)
=
a
2
b
2
−
a
3
b
−
2
a
b
3
+
2
a
2
b
2
+
3
a
b
2
c
−
3
a
2
b
c
=
(
a
2
b
2
+
2
a
2
b
2
)
−
a
3
b
−
2
a
b
3
−
3
a
2
b
c
+
3
a
b
2
c
(
C
o
m
b
i
n
i
n
g
l
i
k
e
t
e
r
m
s
)
=
a
2
b
2
(
1
+
2
)
−
a
3
b
−
2
a
b
3
−
3
a
2
b
c
+
3
a
b
2
c
=
3
a
2
b
2
−
a
3
b
−
2
a
b
3
−
3
a
2
b
c
+
3
a
b
2
c
Hence,
(
a
−
2
b
+
3
c
)
(
a
b
2
−
a
2
b
)
=
3
a
2
b
2
−
a
3
b
−
2
a
b
3
−
3
a
2
b
c
+
3
a
b
2
c
.
Suggest Corrections
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Similar questions
Q.
Find the product of
(
a
−
a
b
+
3
c
)
(
a
b
2
−
a
2
b
)
Q.
Factorize:
a
b
2
−
2
a
−
a
2
b
−
3
a
2
+
2
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+
3
a
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.
Q.
select a suitable identity and find the following products
(
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(
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Q.
State true or false:
(
2
a
+
b
)
2
−
(
2
b
+
a
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2
=
3
(
a
2
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b
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)
is an identity.
Q.
Find the products:
(−4ab) × (−3a
2
bc)
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