# Monthly Archives: October 2012

## Math 90: Week 8

Today, we had a set of problems as usual, and a quiz! (And I didn’t tell you about the quiz, even though others did, so I’m going to pretend that it was a pop quiz)!. Below, you’ll find the three problems, their solutions, and a worked-out quiz.

Posted in Brown University, Math 90, Mathematics | | 2 Comments

## Math 90: Week 7

I haven’t quite yet finished writing up the solutions to the problems we did in class yesterday. But I wanted to go ahead an make the solutions to the test available. They can be found here.

But please note that there is an error in the key! In particular, on problem 7(b), I forgot that we only care about $t geq 0$. So the final answer should not include $t = 1/2$.
The notes for the day are after the fold: (more…)