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21032
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location Buenos Aires, Argentina
age 21
visits member for 4 years
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(my about me is currently blank)


Apr
25
reviewed Approve suggested edit on Determinant of a sum of matrices
Apr
24
accepted Taylor expansion of a not easily differentiable function
Apr
23
answered Let $\int_a^bf(x)sgn(f(x)) + 2f(x) \ dx = 0$. Show that $f$ has at least one root.
Apr
23
comment Taylor expansion of a not easily differentiable function
@Fred: Taylor series around where? The function doesn't work for $ x\le 1$, that's the problem.
Apr
20
asked Taylor expansion of a not easily differentiable function
Apr
13
comment Difficult Improper Integral
What's so terrible about $\frac{114}{19}$?
Apr
6
revised How do I solve this indeterminate limit without the L'hospital rule?
latex
Mar
30
awarded  Quorum
Mar
29
reviewed Approve suggested edit on About $ \lim_{x\rightarrow 0}\frac {\sin x}{x} = 1$
Mar
13
reviewed Approve suggested edit on $SO(n)$ is connected
Mar
12
reviewed Approve suggested edit on Should an undergrad accept that some things don't make sense, or study the foundation of mathematics to resolve this?
Mar
6
reviewed Approve suggested edit on Solve the differential equation: $(y^2-xy)dx+x^2dy=0$
Feb
28
revised Integrating $f(y) = e^{-y} y^3$
wrong variable name
Feb
28
reviewed Approve suggested edit on If $x=1\mod3$ and $x=0\mod2$, what is it $\mod6$?
Feb
26
reviewed Reject suggested edit on Multiplying matrices of matrices
Feb
24
reviewed Approve suggested edit on Indefinite Integral $\int \sin (x) \ln (\tan (x))dx$
Feb
24
answered Solving $\int\sqrt{1+(-2ax+b)^2}\;dx$
Feb
20
answered $\lim_{(x,y) \to(0,0)}\sin(x - y)$
Feb
12
awarded  Notable Question
Feb
9
reviewed Approve suggested edit on Is there a method to memorizing $\pi$?