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Byju's Answer
Standard VIII
Mathematics
Addition and Subtraction of Algebraic Expression
Show that : ...
Question
Show that :
n
2
+
(
n
+
1
)
2
+
(
n
2
+
n
)
2
=
(
n
2
+
n
+
1
)
2
Open in App
Solution
LHS
=
n
2
+
(
n
+
1
)
2
+
(
n
2
+
n
)
2
=
n
2
+
n
2
+
2
n
+
1
+
n
4
+
n
2
+
2
n
3
=
n
4
+
2
n
3
+
3
n
2
+
2
n
+
1
RHS
=
(
n
2
+
n
+
1
)
2
=
n
4
+
n
2
+
1
+
2
n
3
+
2
n
2
+
2
n
=
n
4
+
2
n
3
+
3
n
2
+
2
n
+
1
=
LHS
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Q.
Prove that:
a
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n
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Q.
lim
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The value of
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+
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2
+
n
n
2
+
2
2
+
⋯
+
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n
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is
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