1 ^ { 2 } + 3 ^ { 2 } + 5 ^ { 2 } + \ldots + ( 2 n - 1 ) ^ { 2 } = \fr – InterviewSolution

InterviewSolution

1.	1 ^ { 2 } + 3 ^ { 2 } + 5 ^ { 2 } + \ldots + ( 2 n - 1 ) ^ { 2 } = \frac { n } { 3 } ( 2 n - 1 ) ( 2 n + 1 )
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