Intégration par parties

[Adriweb]

Bref, j'ai uploadé en archive :

Le voilà : Intégration Par Parties Nspire

[rocalino]

hello, and I downloaded the file and I've been trying but I have a question I understand that according to the derivative of sine and cosine is no-sen (negative) as shown in the program Check it please thank you very much and is a very good program!!!!!

[Adriweb]

Hi,
In fact, the result is correct but I just forgot to display a parentheses :

It shows :

∫( sin(x) ) =  "x*sin(x)-cos(x)+x*sin(x)"
=  −cos(x)

Instead of :

∫( sin(x) ) =  "x*sin(x)-(cos(x)+x*sin(x))"
=  −cos(x)

Fixed here : archives_voir.php?id=4481

[rocalino]

excellent, I proceed to update. I will continue by testing let you know if there is another anomaly