Recent content by vnaut

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    Calculators Integration using a TI-89 produces wrong value?

    This is where I'm confused. Multiple integral tables say that that the integral of 1/(ax+c) is (1/a) * ln(ax+c). This would yield 3/2 * ln(100+2*x) where as the integral of your answer would yield 3/2 * ln(50+x). So I'm left with two different answers to choose from. Either 3/2 * ln(100+2*x)...
  2. V

    Calculators Integration using a TI-89 produces wrong value?

    Hi Physics Forum, I've just started taking Diff EQ and have been using my calculator for most integrations. I've come across two problems that I hope have answers. 1) When I try the integral of (x+1) (the quantity! not just x+1), my calculator still spits out (x^2/2)+x while the real...
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