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Re: A92: a92-a lot of questions
At 02:17 PM 3/9/98 PST, Robert Caldwell wrote:
>has anyone else found a mathematical error in the ti-92:
>for example if you take the derivative of the integral you're suppose to
>come to the the same answer, but when i do this formula:
>
>integral(x^2*(x+1)^(1/2),x)
>derivative(ans(1),x)
>
>it comes out to be something different, please respond if your
>calculator also doesn't come out the same.
Actually it *does* come out with the same thing, just written in a
different way. Try this:
integral(x^2*(x+1)^(1/2),x)
derivative(ans(1),x)
factor(ans(1))
Next time, don't be so quick to jump to a conclusion. :-)
---
David Ellsworth
davidell@earthling.net
IRC: eXocomp
ICQ: 2300673
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