S. Snape
Reputation
53,771
99/100 score
 Jan 17 revised $g\circ f$ bijective iff $f$ and $g$ bijective? edited tags Jan 17 comment Evaluate this integral using cylindrical coordinates I did it by Maple 18 Jan 17 revised Evaluate this integral using cylindrical coordinates added 144 characters in body Jan 17 answered Evaluate this integral using cylindrical coordinates Jan 17 answered Multiplication in field Z5 Jan 17 comment Group of order $2n$ and subgroups of order $n$ I think you should assume there are two such that subgroups and then assume if their intersection is emty or not! Jan 16 comment Translating an equation from multiplicative to additive form Is your group Abelian? Jan 12 revised the number of the conjugacy class sizes of $S_n$ edited tags Jan 12 revised Minimum value of $\frac{(1 + x + x^2)(1 + y + y^2)}{xy}$ added 6 characters in body; edited tags; edited title Jan 12 awarded Cleanup Jan 12 revised How to evaluate this Integral $\int { {\sqrt{5^2+K^2}}dK \over {\sqrt{10^2+K^2}K}}$ rolled back to a previous revision Jan 12 comment Discussion of $Z(A_4) = \{e\}$ Please paraphrase your second question again. Jan 12 revised Discussion of $Z(A_4) = \{e\}$ edited tags Jan 11 revised Proof that the multiplicative groups $\mathbb{R} - \{0\}$ and $\mathbb{C} - \{0\}$ are not isomorphic. added 19 characters in body Jan 11 revised Seperation of variables algortithm. edited tags Jan 11 revised Trick to solve this limit $\lim_{x \to\infty} \sqrt{x^2+3x}-x$ edited tags Jan 11 comment How do you plot the graph of $y = \sin(x)+\cos(x)$ by converting it to another form? چه خوب که این سیستم فارسی رو پشتیبانی میکنه. موفق باشی همشهری! +1 Jan 11 comment Is a group defined by its generator set and relations? For that exercise, you can use Todd-Coxeter Al. to find the orders of some certain finite groups. It really works! Jan 11 revised what's the equation of helix surface? edited tags Jan 11 revised Helix around helix parametric equation? edited tags