If (1xx3 + 2xx5 + 3xx7 + ….. upto n term...

If `(1xx3 + 2xx5 + 3xx7 +` ….. upto n terms) / (`1^3 + 2^3 + 3^3 +` …… upto n terms) = 5/9, find the value of n.

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The correct Answer is:

5

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