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AP EAMCET Engineering 2015 Code A Paper
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© examsnet.com
Question : 3
Total: 160
The value of the sum
1.2
.3
+
2.3
.4
+
3.4
.5
+
.
.
.
.
.
upto
n
terms =
1
6
n
2
(
2
n
2
+
1
)
1
6
(
n
2
−
1
)
(
2
n
−
1
)
(
2
n
+
3
)
1
8
(
n
2
+
1
)
(
n
2
+
5
)
1
4
n
(
n
+
1
)
(
n
+
2
)
(
n
+
3
)
Validate
Solution:
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