Integral of 2x is x^2 + C
derivative of 2x is 2
Go hit the books and learn the theory behind it instead of asking solutions for problems. If you keep on doing this, you're gonna regret it later (i.e. exam).
You'v got vastly better study materials for pretty nearly all subjects than anybody ever dreamed about 30 years ago. For math the most basic resource is the Khan Academy series on youtube.
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MDougherty
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Sun 6 Oct, 2013 03:32 pm
@Enzo,
Thanks for mentioning my book. Hopefully it will be in printable form in the next year or so. -Mike Dougherty