https://img837.imageshack.us/img837/...at28032012.png

1)
https://img7.imageshack.us/img7/7449/mat28032012.jpg

2)
https://img801.imageshack.us/img801/...at28032012.jpg

3)
https://img217.imageshack.us/img217/...at28032012.jpg

4)
f(x)=(x²-5x)³
f ^'(x)=3(x²-5x)².(2x-5)

https://img406.imageshack.us/img406/...at28032012.jpg

5)
f(x)=tan3x+cosx.sin2x
f '(x)=3(1+tan²3x)+(-sinx)sin2x+2sin2x.cosx
https://chart.apis.google.com/chart?...0%7D%7B2%7D%20