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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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Q.
Factorise:
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a
3
b
−
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Find the products:
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, then the answer is
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