Processing math: 100%
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SpecialSequence
InfiniteRepitition
Problem - 3185
Show that
1
1
×
2
×
3
+
1
2
×
3
×
4
+
⋯
+
1
n
×
(
n
+
1
)
×
(
n
+
2
)
=
n
(
n
+
3
)
4
(
n
+
1
)
(
n
+
2
)
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