Hello
How do you integrate this, Integral (5x/3)*e^-x/3
Thank you
Ok that's it
Set f(x)=e^-x/3
And g(x)=5x/3
Because g will be differentiated. Since the derivative of an exponential is in most case the same, it's not really useful to set g(x)=e^-x/3
Whereas if you differentiate a polynomial (5x/3), you will soon get to a constant.
Do you understand ?