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Unread 12-02-2009, 09:45
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Math Basics need Strengthening/Reinforcement

Hey CD!!! Haven't been here in a while, but figured I have a question that the other online hivemind has not really answered quite well (at least what I would have hoped for), and CD might fair better.

Long story short: 78/100 on my first exam in second semester calc-based physics , primarily due to small mathematical errors. My first semester prof did not care much for them as he knew if we laid the groundwork, we would have the problems nailed. The current prof though is a fresh piece of work, and he does not bend too easily (which is in all likelihood, A GOOD THING). Problems I have are like the following:

I forgot to leave some variables alone in doing partial differentiation (w.r.t. z: 3yz^2 I took to 6z instead of 6yz OR w.r.t. y: 2y^2z^2 I took to 4yz instead of 4yz^2).

Another problem I ran into was that I took 10^-5 to be like 10E-5 on a regular calculator, which among a mess of
[other] scientific numbers could be a bad habit.

Seeing I am transferring to UMich after this semester, this problem, which has been recurring over the years, needs a fixing. I was thinking that some form of RSS feed that blasts daily problems (exercises) from pre-calc to calc III would be in order, yet you might have a better solution. It is obviously a problem that will not go over night, and not one that I can just fix by telling myself this is the way it is (simply because it has not worked over time).

Your advice would be awesome, and I greatly appreciate any. Many thanks!!!
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