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Posted by **Mishaka** on Saturday, February 11, 2012 at 6:15pm.

x^(-1/2) sin(2x^(-3/2))

After trying to figure out this problem, I have the suspicion that the antiderivative cannot be found using substition method, would this assumption be correct?

- Calculus (Antiderivatives) -
**kate**, Saturday, February 11, 2012 at 6:15pmno idea

- Calculus (Antiderivatives) -
**Mishaka**, Saturday, February 11, 2012 at 6:19pmPlease, if you don't have anything helpful to contribute, save both of us some time. Please, this problem is really getting to me and I don't want any jokes or non-serious answers, thank you.

- Calculus (Antiderivatives) -
**kate**, Saturday, February 11, 2012 at 6:19pmok im sorry :(

- Calculus (Antiderivatives) -
**Mishaka**, Saturday, February 11, 2012 at 6:25pmThank you for the apology, no hard feelings!

- Calculus (Antiderivatives) -
**Reiny**, Saturday, February 11, 2012 at 7:18pmI too have messed around with this a bit, and can't see to get anywhere

Tried integration by parts, only got worse and worse.

I sent it through the Wolfram integrator , and it came up with terrible looking answer containing complex numbers.

http://integrals.wolfram.com/index.jsp?expr=x%5E%28-1%2F2%29+sin%282x%5E%28-3%2F2%29%29+&random=false

What level is this?

Are you sure there is no typo?

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