Problem

Problem

The value of lim⁡n→∞13+23+33+⋯+n3(n2+1)2\lim_{n \to \infty} \frac{1^3 + 2^3 + 3^3 + \dots + n^3}{(n^2 + 1)^2} is a. 14\frac{1}{4} b. 12\frac{1}{2} c. 221\frac{2\sqrt{2}}{1} d. None of these

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