First derivative

Lindner shared this problem 8 years ago
Answered

Hi,

6bc38de10e7eb235cac8f79e9d79a0d8

#2 gives the first derivative of A(x) which is ok.

But the result for #3 with A1(x) = 0 is wrong: it should be x = + d/sqrt(8) or x = - d/sqrt(8)


And using the command Derivative[...] in #4 gives a result looking different than #2 which is confusing to students.


Andreas

ggb 4.2.28

Java 6

Comments (2)

photo
1

First problem is fixed in GeoGebra 4.4

© 2021 International GeoGebra Institute