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Integrate e^-x^2
#15
StringStrider Wrote:It's been a couple (4) years since I've taken calc, but couldn't you take ln(e^-x^2) = -x^2?

Or is that the derivative?

I think you're thinking of how you derivate 2^x (or some other constant instead of 2), you take exp(ln(2^x)) because exp(ln( f(x))) = f(x). Normally, you can't just take natural logs without an taking an exponential too because then you have a different function
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Messages In This Thread
Integrate e^-x^2 - by 2147483647 - 2011-02-06, 06:00 AM
Integrate e^-x^2 - by Lozmaster - 2011-02-06, 07:53 AM
Integrate e^-x^2 - by 2147483647 - 2011-02-06, 07:57 AM
Integrate e^-x^2 - by Noah - 2011-02-06, 08:09 AM
Integrate e^-x^2 - by 2147483647 - 2011-02-06, 08:27 AM
Integrate e^-x^2 - by Noah - 2011-02-06, 11:21 AM
Integrate e^-x^2 - by Shidoshi - 2011-02-06, 11:45 AM
Integrate e^-x^2 - by OB3LISK - 2011-02-06, 01:33 PM
Integrate e^-x^2 - by Corn - 2011-02-06, 03:29 PM
Integrate e^-x^2 - by 2147483647 - 2011-02-06, 06:19 PM
Integrate e^-x^2 - by Noah - 2011-02-06, 06:35 PM
Integrate e^-x^2 - by Shidoshi - 2011-02-06, 06:35 PM
Integrate e^-x^2 - by modular - 2011-02-07, 08:36 PM
Integrate e^-x^2 - by StringStrider - 2011-02-08, 05:34 PM
Integrate e^-x^2 - by Lozmaster - 2011-02-09, 06:52 AM
Integrate e^-x^2 - by 2147483647 - 2011-02-09, 07:09 AM
Integrate e^-x^2 - by Lozmaster - 2011-02-09, 07:28 PM
Integrate e^-x^2 - by hadriel - 2011-02-12, 09:37 AM

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