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  • 0 posts edited
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  • 33 votes cast
Mar
12
comment Integration: How to Begin?
The only problem is, that I don't understand why this works (or really how to set it up) since we aren't working with a square root here.
Mar
12
comment Integration: How to Begin?
Whoops, fixed. ;)
Mar
12
revised Integration: How to Begin?
edited tags
Mar
12
comment Why Doesn't This Integral $\int \frac{\sqrt{x^2 - 9}}{x^2} \ dx$ Work?
Fixed the above work. Interestingly, it only resulted in a few sign changes. Any further ideas?
Mar
12
revised Why Doesn't This Integral $\int \frac{\sqrt{x^2 - 9}}{x^2} \ dx$ Work?
deleted 52 characters in body
Mar
12
comment Integration: How to Begin?
What a coincidence that this question was posted on the same day as mine. Wonder if we're working from the book, at the same time, (from the same school, in the same class)? lol Thank you, Sivaram
Mar
12
comment Why Doesn't This Integral $\int \frac{\sqrt{x^2 - 9}}{x^2} \ dx$ Work?
(cold chills) ... yes, your right, let me try re-evaluating
Mar
12
asked Integration: How to Begin?
Mar
12
asked Why Doesn't This Integral $\int \frac{\sqrt{x^2 - 9}}{x^2} \ dx$ Work?
Mar
5
comment Divide inside a Radical
That really makes everything clear. Thank you!
Mar
4
comment Divide inside a Radical
Actually, I understand your comment. :) But if you would like to learn how to make square roots, fractions, powers, etc... you can do that by typing to dollar signs in a row, then between the dollar signs, type in LaTeX code. If you are not familiar with LaTeX, Wikibooks has an article on it: en.wikibooks.org/wiki/LaTeX For a quick start, just click the "edit" link underneath my original post, and you can see how I did it. ;)
Mar
4
accepted Divide inside a Radical
Mar
4
comment Divide inside a Radical
I see your comment now. Thank you for the additional details!
Mar
4
comment Divide inside a Radical
Yes, you're right, according to WolframAlpha: wolframalpha.com/input/… Could you please explain this a bit better so that it would, perhaps, stick better with me?
Mar
4
asked Divide inside a Radical
Mar
3
awarded  Self-Learner
Mar
3
comment Find $\int e^{2\theta} \cdot \sin{3\theta} \ d\theta$
Thanks David. ;)
Mar
3
answered Find $\int e^{2\theta} \cdot \sin{3\theta} \ d\theta$
Mar
3
comment Choices for Integrationg by Parts
Hmmm... would $\frac{1}{{\left(2x + 1\right)}^{2}}$ have worked as u and $x \cdot e^{2x} \ dx$ as dv?
Mar
3
asked Find $\int e^{2\theta} \cdot \sin{3\theta} \ d\theta$