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File: Screen Shot 2012-10-24 at 12.09.46 AM.png (9KB, 150x85px) Image search:
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Anyone bere knows sites to leaen biology-chemistry math-calculus end exercise?
This is my last year of school, and i am having lots of troubles because i found some gaps in my instruction, due to the fact that i didn't get anything to study from.I've always been very good in scientific subjects but this year i'm shitting bricks, sorry for any grammar mistakes, but i'm terrified(and foreign).
Please, i need help.
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Guys those grammar mistakes are phone mistakes, sorry again.
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It's not help with homeworks, i need a solid reference to improve my math skills
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>>7778295
wut?
https://www.khanacademy.org/
has a bunch of intro level material
if you are looking specifically for problems to work on, just go to bookzz.org and download textbooks for free
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>>7778295
If you're wondering about that limit in the picture use L'Hopital's rule.
lim x->0 sin(x^2)/x = lim x->0 2x*cos(x^2)/1 = 0
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