# Zack

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 Mar17 comment Arc length of astroid $x^{-2/3} + 1$ though, right? Mar17 asked Arc length of astroid Mar15 accepted Compute surface area about the $x$-axis Mar12 asked Compute surface area about the $x$-axis Jan7 awarded Notable Question Jan7 comment Pouring shampoo into a bottle at 16.5 cm³/s I gave as much info as the book gave me. I don't get the hold. I even included a photo and the questions that I had trouble answering, and the answers! Jan5 accepted Pouring shampoo into a bottle at 16.5 cm³/s Jan5 asked Pouring shampoo into a bottle at 16.5 cm³/s Dec26 comment Is there an English translation of Diophantus's Arithmetica available? In Steven Hawking's "God Made the Integers" he has books II, III, and V, in English. Dec17 comment Derive a formula for the volume of the wedge in terms of the constants a, b, c. I'm having trouble connecting it to the 3rd dimension. Another similar triangle? Dec17 comment Derive a formula for the volume of the wedge in terms of the constants a, b, c. It is the vertical height from the $a$ line, parallel to $c$ Dec17 revised Derive a formula for the volume of the wedge in terms of the constants a, b, c. deleted 92 characters in body Dec17 comment Derive a formula for the volume of the wedge in terms of the constants a, b, c. Yes I believe so. I see the way I'm doing it now is not working Dec17 asked Derive a formula for the volume of the wedge in terms of the constants a, b, c. Dec13 comment What is $\sum_{n=1}^{\infty} \frac{n}{2^{\sqrt{n}}}$? well maybe forget L'Hôpital Dec13 comment What is $\sum_{n=1}^{\infty} \frac{n}{2^{\sqrt{n}}}$? Could L'Hôpital's rule be applied? It is infinity over infinity. ALso, according to wolfram alpha "lim x->infinity sum (x/(2^sqrt(x)))" returns $51.919191....$ Dec11 awarded Caucus Dec7 revised Maximum area of a isosceles triangle in a circle with a radius r edited body Dec7 revised Maximum area of a isosceles triangle in a circle with a radius r added 320 characters in body Dec7 revised Maximum area of a isosceles triangle in a circle with a radius r edited body