The sum of first 9 terms of the series 1^3 1 + 1^3 + 2^3 1+3 + 1^3 + 2^3 + 3^3 1+3+5 + is

JEE Main 2015 Mathematics question

The sum of first 9 terms of the series is

Answer: (3)

The n-th term has numerator and denominator (the sum of the first n odd numbers), so it

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Question ID VK-115199