3,347 reputation
21034
bio website
location Buenos Aires, Argentina
age 21
visits member for 4 years, 2 months
seen 3 hours ago

(my about me is currently blank)


May
20
accepted Confused about Wikipedia page on differential forms
May
4
accepted How to prove $\lim_{(x,y)\to(0,0)} \frac{xy}{x+y} = 0$
Apr
30
accepted Can I apply Rolle's theorem in reverse?
Apr
27
accepted Proving statement about sequences
Apr
14
accepted Proving limit doesn't exist using the $\epsilon$-$\delta$ definition
Apr
5
accepted Would like some pointers on this geometry problem
Mar
13
accepted Are there exact expressions for $\sin \frac{3\pi}{8}$ and $\cos \frac{3\pi}{8}$?
Feb
29
accepted How to solve $y'' = -\frac{k}{y^2}$, with $k > 0$?
Feb
16
accepted Confused about characteristic equation of a linear ODE
Feb
6
accepted Am I doing this double integral right?
Feb
4
accepted How to justify this differential manipulation while integrating?
Jan
5
accepted Taking the derivative of $\frac1{x} - \frac1{e^x-1}$ using the definition
Nov
25
accepted Find $f(x)$ such that $f(x) = 1 + \frac1{x} \int_1^x f(t) \mathrm{d}t$. What am I doing wrong?
Oct
28
accepted Maclaurin series of $\frac{1}{1+x^2}$
Oct
28
accepted Why does this method for solving matrix equations work?
Oct
19
accepted If all the vectors of a basis of a vector space are contained in another space, is the first space a subspace of the second?
Sep
20
accepted Which side should the “hat” of unit vectors point to?
Aug
8
accepted How to tell if a set of vectors spans a space?
Jul
16
accepted Solving $\lim\limits_{x \to 0^+} \frac{\ln[\cos(x)]}{x}$
Feb
27
accepted Help solving a limit