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Standard VIII
Mathematics
Algebraic Identities
Question
Expand.
(
5
a
+
6
b
)
2
Open in App
Solution
Verified by Toppr
Given
(
5
a
+
6
b
)
2
It is form
(
a
+
b
)
2
=
a
2
+
2
a
b
+
b
2
(
5
a
+
6
b
)
2
=
(
5
a
)
2
+
2
(
5
a
)
(
6
b
)
+
(
6
b
)
2
=
25
a
2
+
60
a
b
+
36
b
2
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