L2learning

Hello all, I've been away for a week and I am back now. I'm open to suggestions as to what we

My username is Kelsey. On Jul 31, 8:31 am, Jonathan Joo <jonathany...@yahoo.com> wrote: > Hi

That's really good, and I'm particularly glad that you're asking about things that aren

Hey guys, I've been slacking--though, I have a number of problems and solutions TeX'd up from

Looks good to me. If anything you've made really thoroughly sure of it, as the matirx is very

Great! Let's hope we get less cialis and viagra now. --James. On 14 July 2011 14:43, Shri

Sounds good. What did you get for your answer to exercise 1? (use your user page on the wiki) I was

To make progress I've posted a summary of what the group needs to do: I'd like the group to

Hi, Sorry for the late response, I just found this email among my cluttered inbox. Yes, this is fine,

b=7a-7d c=4a-4d So far so good. Jonathan - you then went on to prove that 0=0, which of course is

Nicole, Please create a page for http://onlinemathcircle.com/wiki/index.php?title=

Abe, Please create a page for http://onlinemathcircle.com/wiki/index.php?title=Multivariable_Calculus

Yes it's OK to post things on wiki already, even without knowing LaTeX. You will need to learn

Shri, I want to check the scope and range of what you want to cover in the Differential Equations

The volume of a pyramid is 1/3 the base area times the height. This works whatever the shape of the

The open problems definitely would. ______________________________________ From: l2learning@

The question was asked 3 days ago. I wouldn't use this link: http://en.wikipedia.org/wiki/

Correction: James Abe Shri Kelsey Jonathan Nicole James On 24 June 2011 13:00, Abe Rabin <honest.

Yeah, I did it, but I agree Shri, somebody else can take it. On Thu, Jun 23, 2011 at 6:53 PM, Shri R

If you know or don't know how to multiply 2x2 matrices and find the inverse of 2x2 matrices (and

Shri, Yes, that approach works too. If you follow Jonathan's approach, it's easy to get that

Jonathan wrote: here's another fact that's interesting, and much simpler: .999999...=1 Proof:

This would hold true for noninvertible matrices as well, implying that elementary row operations

As far as my earlier statement concerning elementary row operations; I messed up. It's actually

Yes. A^-1 commutes with A. And because of associativity we can show A^2 commutes with A and A^3, and

Kelsey, Jonathan, I still need one mathematical fact from each of you. Do you still want to be in the

Reposting this here, so that we have the mathematical facts in the google group. (From Abe) > Here

The mathematical fact I've chosen is: The sum sin(x) + (sin(3x))/3 + (sin(5x))/5 +(sin(7x))/7 + .

James, My message was the mathematical fact. :) I think the inverse matrix talk inspired that ("