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Standard VIII
Mathematics
Question
25
a
2
−
4
b
2
+
5
a
+
2
b
=_______
(
5
a
+
2
b
−
1
)
(
5
a
−
2
b
)
(
5
a
+
2
b
+
1
)
(
5
a
−
2
b
)
(
5
a
+
2
b
)
(
5
a
−
2
b
−
1
)
(
5
a
+
2
b
)
(
5
a
−
2
b
+
1
)
A
(
5
a
+
2
b
−
1
)
(
5
a
−
2
b
)
B
(
5
a
+
2
b
)
(
5
a
−
2
b
−
1
)
C
(
5
a
+
2
b
)
(
5
a
−
2
b
+
1
)
D
(
5
a
+
2
b
+
1
)
(
5
a
−
2
b
)
Open in App
Solution
Verified by Toppr
25
a
2
−
4
b
2
+
5
a
+
2
b
=
(
5
a
)
2
−
(
2
b
)
2
+
(
5
a
+
2
b
)
=
(
5
a
+
2
b
)
(
5
a
−
2
b
)
+
(
5
a
+
2
b
)
=
(
5
a
+
2
b
)
(
5
a
−
2
b
+
1
)
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2
−
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=_______
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