AP Calculus ABmediummcq1 ptWhat is the value of limn→∞∑i=1n3n(1+3in)\lim_{n\to\infty} \sum_{i=1}^{n} \frac{3}{n}\left(1+\frac{3i}{n}\right)limn→∞∑i=1nn3(1+n3i)?A.152\frac{15}{2}215B.92\frac{9}{2}29C.333D.666