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Byju's Answer
Standard VIII
Mathematics
Factorisation by Regrouping Terms
Factorize the...
Question
Factorize the following equation by the grouping method
a
b
−
2
b
+
a
2
−
2
a
A
(
a
−
2
)
(
a
+
b
)
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B
(
a
+
2
)
(
2
a
+
b
)
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C
(
a
+
2
)
(
a
−
b
)
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D
(
a
+
2
)
(
a
−
2
b
)
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Solution
The correct option is
A
(
a
−
2
)
(
a
+
b
)
a
b
−
2
b
+
a
2
−
2
a
=
b
(
a
−
2
)
+
a
(
a
−
2
)
=
(
a
−
2
)
(
a
+
b
)
Suggest Corrections
0
Similar questions
Q.
Factorize by the grouping method :
a
b
−
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b
+
a
2
−
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a
Q.
Solve the following systems of equations by the method of cross-multiplication:
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Q.
S
olve the following pairs of linear equations by cross multiplication method:
(
a
+
2
b
)
x
+
(
2
a
−
b
)
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and
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2
a
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Q.
Question 32
The value of
(
a
+
b
)
2
+
(
a
−
b
)
2
is
a)
2
a
+
2
b
b)
2
a
−
2
b
c)
2
a
2
+
2
b
2
a)
2
a
2
+
2
b
2
Q.
Solve the pair of linear equations by using cross multiplication method
(ii)
(
a
+
2
b
)
x
+
(
2
a
−
b
)
y
=
2
,
(
a
−
2
b
)
x
+
(
2
a
+
b
)
y
=
3
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