Topi
Name:
Topi Linkala
School:
Helsinki University
About:
I'm a 52-years old bachelor who has studied all my life. Working now in recycling plant in Helsinki fixing home appliances and studying on night time in Helsinki U biochemistry.
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Questions Asked 2
Questions Answered 0
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Questions Answered 14
Medals Received 6
Questions Asked 2
Questions Answered 0
Medals Received 0
Questions Asked 3
Questions Answered 14
Medals Received 6
Questions Answered
LeventAChaves:
How can i remember all trig functions and their identities? I mean, its easy to remember what sin, cos, tan are but with cosecant, secant, c…
updated 9 months ago
2 replies
1 Medal
Mathematics
Topi:
This is not a question, but I'm answering myself to show how powerseries and differentiation works.
updated one year ago
1 reply
No Medals Yet
Mathematics
Topi:
sum_{i=0}^{infty}a_{i}x^{i}
updated one year ago
1 reply
No Medals Yet
Mathematics
calele:
Hi, I'm working on pset6 and have a question regarding 3C-4. 'The Solutions to integration problems' explain it is the infinite region betw…
updated one year ago
1 reply
No Medals Yet
Mathematics
lau22:
can someone help me simplify the derivative of x/sqrt(1-x^2) ? This is for problem 5A-3G of the second problem sets, and I think my proficie…
updated one year ago
3 replies
1 Medal
Mathematics
martian86:
hi all, I m taking this course to pursue a career in physics.
1) How to know whether a given function is differentiable ?
2) Also, as far…
updated one year ago
5 replies
No Medals Yet
Mathematics
kim.gray18:
what is the difference between delta y and dy? how do you find delta y
updated one year ago
1 reply
1 Medal
Mathematics
Dominik:
Hi, I got a question to Exercise 2E-10. Along the way to the solution T'=1/t, a T somehow magically disappears. Thus, I rather obtain the di…
updated one year ago
5 replies
1 Medal
Mathematics
s1s1s1:
how to sketch polar curves?
updated one year ago
2 replies
No Medals Yet
Mathematics
Topi:
I'm wondering why the derivation of inverse function was not teached as dx/dy = (dy/dx)^-1?
This is easy way to calculate the derivate of…
updated one year ago
4 replies
No Medals Yet
Mathematics
paudel:
I just watched the video titled "Differentiable Implies Continuous" and I did not understand the proof. Why is it necessary to multiply and …
updated one year ago
4 replies
1 Medal
Mathematics
Jon.5:
I just viewed the first lecture and have a lot of questions. Have been out of school for many years.Is it okay to view lectures again to und…
updated one year ago
1 reply
No Medals Yet
Mathematics
David.Butler:
\int _{ -\infty }^{ \infty }{ \frac { { e }^{ -y } }{ { y }^{ 2 }+1 } } converges \quad or\quad diverge?
updated 10 months ago
3 replies
No Medals Yet
Mathematics
davetherave:
how come is (sin (h)/h)=1...?
updated one year ago
4 replies
1 Medal
Mathematics
ankitmaini:
Can you please explain about all the functions used in maths like greatest integer, lowest integer, modulus , sigma function with examples?
updated one year ago
3 replies
No Medals Yet
Mathematics
MarcLeclair:
Hi, my question is more theoritical. I know how to integrate ( mostly) but I don't understand the integration process itself. I asked teache…
updated one year ago
5 replies
No Medals Yet
Mathematics
jbedon.nvc:
On the Session 50 Worked Example a (MVT, FTC1 stuff), how did the lower bound equal 1.2? Thanks!
updated one year ago
1 reply
1 Medal
Mathematics