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1935 Moscow Mathematical Olympiad
018
MMO 018 Moscow MO 1935 1^3 + 3^3 + 5^3 +... + (2n - 1)^3
MMO 018 Moscow MO 1935 1^3 + 3^3 + 5^3 +... + (2n - 1)^3
Source:
July 17, 2019
Sum
sum of cubes
algebra
Problem Statement
Evaluate the sum:
1
3
+
3
3
+
5
3
+
.
.
.
+
(
2
n
ā
1
)
3
1^3 + 3^3 + 5^3 +... + (2n - 1)^3
1
3
+
3
3
+
5
3
+
...
+
(
2
n
ā
1
)
3
.
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