Krysten
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 Dec 11 accepted Proving a function is surjective Aug 12 accepted Set Theory: Proving Statements About Sets May 5 accepted How many permutations of a word do not contain consecutive vowels? May 4 accepted How to prove that $(A\cup B) \cap C \subseteq A\cup (B\cap C)$ Apr 29 accepted Find the arc length of the cardioid: r = 3-3cos θ Apr 29 accepted Find the area of the surface obtained by rotating the curve about the x axis Mar 8 accepted How to sketch the curve of parametric equations Mar 3 accepted Determining a closed-form solution for the following sum Feb 27 accepted Find the length of the curve: $y=\frac{x^{5}}{6}+\frac{1}{10x^{3}}\qquad 1\leq x\leq 2$ Feb 25 accepted Number Theory - Proof of divisibility by $3$ Feb 18 accepted Injective and Surjective Functions Feb 17 accepted Evaluate $\int \cos^3 x\;\sin^2 xdx$ Feb 10 accepted Equivalence relation $(a,b) R (c,d) \Leftrightarrow a + d = b + c$ Jan 27 accepted Equivalence Classes of this Relation on the integers : $a + b^2 \equiv 0\pmod{2}$.