alfie
Name:
Andrew
School:
University Federico II
About:
Hey everyone, I am from Italy, currently studying computer engineering, lots of math and codes floating around my head :P.
I think the purpose of this website is to give hints, so that the user can understand the solution, not just throw it there, answering. If it's so, the user won't learn much, and that is just useless.
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Questions Asked
alfie:
Group Title
find out if the following function is continuous:
\[\frac{x}{\sqrt{y}}\] if y > 0…
updated 2 years ago
No Medals Yet
Mathematics
alfie:
Group Title
Once you find the line r passing through A(1,2,0) and B(1,0,2). Find the line s passing by (-2,0,0) perpendicular and secant to r.
Use the m…
updated 2 years ago
No Medals Yet
Mathematics
alfie:
Group Title
Sequence of functions and uniform convergence.. I am having some troubles with this topic, so here it is...
\[f_{n}(x)\] = \[\large \log(1+…
updated 2 years ago
16 replies
2 Medals
Mathematics
alfie:
Group Title
What's wrong with my integration?
I've used integration by parts:…
updated 3 years ago
11 replies
1 Medal
Mathematics
alfie:
Group Title
I'm failing with polynomials integrals >.<'
No substitution or parts allowed.
\[\int {\frac{{3x + 1}}{{{x^2} - 4x + 3}}dx} \]…
updated 3 years ago
41 replies
3 Medals
Mathematics
alfie:
Group Title
derivative, you see any mistake?
derivative \[\large \frac{x-2}{1+\log|x-2|} f \prime (x) = \frac{1(1+\log|x-2|) - \frac{x-2}{x-2}}{(1+\log…
updated 3 years ago
6 replies
3 Medals
Mathematics
alfie:
Group Title
Taylor series limit, could you guys help out? Check the attachment.
updated 3 years ago
28 replies
2 Medals
Mathematics
alfie:
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Any pretty good resource about resolving limits with Taylor series? I need something clear and with many solved exercises. Thanks. ;)
updated 3 years ago
No Medals Yet
Mathematics
alfie:
Group Title
Do you know some funny or oddly-shaped functions? I know Batman's one:
http://www.wolframalpha.com/input/?i=batman+function…
updated 3 years ago
4 replies
1 Medal
Mathematics
alfie:
Group Title
Lil' bit off topic but, well..! -> What do you do when you are just NOT in the mood to study, but you have to (let's suppose you gotta study…
updated 3 years ago
17 replies
3 Medals
Mathematics
alfie:
Group Title
Could someone double check my calcs? Thanks! :)
Two blocks m1 = 50kg and m2= 100kg are attached to a rope as shown in figure. Pulley is mas…
updated 3 years ago
5 replies
2 Medals
Mathematics
alfie:
Group Title
help plx on my homework assignment .
P = NP
-True…
updated 3 years ago
5 replies
1 Medal
Mathematics
alfie:
Group Title
Few questions and advices.
1) could you please bring once again the "Un-answered questions" button? It was pretty useful!
2) Why I can't see…
updated 3 years ago
5 replies
1 Medal
Mathematics
alfie:
Group Title
Help out with the domain of this function (see attachment)
My conditions:…
updated 3 years ago
6 replies
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Mathematics