der2 on TI-86?
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der2 on TI-86?
Can anyone tell me why I can't do the following command on a TI-86?
der2(x^3-12x^2+6x+10,x,0)
This should just be the second derivative of the function at x=0 which
equals -24, right? I keep getting "ERROR 04 DOMAIN". Am I missing
something incredibly obvious?
Thanks.
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