Hello all, I'm having trouble with a few problems on my pretest for Calculus II, so here goes the first:
Evaluate the integral using the indicated trigonometric substitution
Integrate[1/(x^2sqrt(x^2-16)) , {x}]; x=4secant theta

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- anonymous

- schrodinger

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- 2bornot2b

I think you would have got better answers or rather you will get more users to answer your question, if you would have posted the question alone,
I mean try excluding the part "Hello all...........here goes the first"

- anonymous

Oh, mkay, I'll try that. Thanks!

- 2bornot2b

And you can also try posting the question with the equation in LaTeX format, in that way you can increase the probability too.

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- anonymous

Latex?

- 2bornot2b

Do you want me to help you out, by posting it on behalf of you?

- anonymous

Yeah, that'd be awesome!

- anonymous

Yeah, with this before it:
Evaluate the integral using the indicated trigonometric substitution

- anonymous

and no ,x

- 2bornot2b

And I think it must be dx instead of that x right?

- anonymous

its dx*

- anonymous

yeah lol

- 2bornot2b

Ok now see this one
"Evaluate the integral
\[\int\frac{1}{(x^2\sqrt{x^2-16)}}dx\]
using the substitution
\[x=4\sec\theta\]"
Is it OK?

- anonymous

yes

- 2bornot2b

Ok so I am posting it, ...

- anonymous

Mkay, thanks

- 2bornot2b

OK, so its posted at http://openstudy.com/study#/updates/4f2c150ee4b0e1bedb5d1f0a

- Mr.Math

Good tips. Questions written with Latex always attract me :-D

- 2bornot2b

And I also used the chat rooms to invite people in here. And I messaged myin using fan message

- 2bornot2b

So I think I can summarize them as follows
1. Make it concise
2. Use equation editor
3. Use the chatrooms to attract users
4. Private message the people you think can solve the problem

- anonymous

I didn't know this place had pm's 0-0

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