Put a second parenthesis in front of 3X

The syntax for it is: nDeriv(function, variable, number)

So if you want the derivative of x^2 at x = 1, then you enter:

nDeriv(x^2, x, 1)

However, I don't know of any way a TI-84 Plus can calculate the algebraeic derivative. Hopefully the other way helped!

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If I'd like to work with: **nDeriv(3X^3+2x^.5),X,1) **

then I press Enter button, the sreen shows Error...

Please help me to get the answer for this problem. Thank you very much!

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I used "nDeriv" last week and it worked very well. However, this week our teacher told us to type "NewProb" and now nDeriv isn't working anymore.

How can I fix this problem, so I can use it again? Thanks

I used nDeriv last week and it worked very well. However, today our teacher told us to type in 'NewProb' and now nDeriv isn't working anymore. How can I solve this problem and use nDeriv again? Thanks

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