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Byju's Answer
Standard IX
Mathematics
By Grouping
Factorize:3 a...
Question
Factorize:
3a
3
b − 243ab
3
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Solution
3
a
3
b
-
243
a
b
3
=
3
a
b
a
2
-
81
b
2
=
3
a
b
a
2
-
9
b
2
=
3
a
b
a
-
9
b
a
+
9
b
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Similar questions
Q.
Factorise:
3
a
3
b
−
243
a
b
3
Q.
Find the products:
(2a
2
b
3
) × (−3a
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Q.
If the length of a rectangle is a
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b, and its area is 3a
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Q.
Reduce to the lowest terms
3
a
3
b
−
3
a
b
2
a
2
+
a
b
, then the answer is
3
b
(
a
2
−
b
)
a
+
b
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