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 Sep24 awarded Autobiographer Jul2 awarded Curious Jun15 awarded Popular Question Nov26 awarded Popular Question Aug13 awarded Yearling Sep8 accepted Evaluate the following limit: $\lim_{n\to\infty}\left(\sum_{r=1}^{n}{\frac{r}{n^{2}+n+r}}\right)$ Sep8 accepted Perimeter of an ellipse Sep8 answered Evaluate the following limit: $\lim_{n\to\infty}\left(\sum_{r=1}^{n}{\frac{r}{n^{2}+n+r}}\right)$ Sep8 asked Evaluate the following limit: $\lim_{n\to\infty}\left(\sum_{r=1}^{n}{\frac{r}{n^{2}+n+r}}\right)$ Sep8 awarded Critic Sep5 revised What about without replacement added 1 characters in body Sep5 comment What about without replacement What about the probability of picking out the spade from the remaining 49 cards? Sep5 comment What about without replacement But here I can get a spade in the first draw as well. This is the probability there is a spade in at least one of the four draws Sep5 answered What about without replacement Sep5 answered Perimeter of an ellipse Sep5 accepted How do I integrate this expression: $\int{2x\,dx\over x^3+x^{2/3}}$? Sep5 accepted Prove that square root of 2 is irrational using the principle of Mathematical Induction Sep5 accepted Find the fallacy in the following treatment Sep5 asked Perimeter of an ellipse Sep4 accepted Method of Least Squares-Why is it preferred?