# Thread: What is the next obvious step for this integral?

1. ## What is the next obvious step for this integral?

Hello.

I have this line given

$\frac{\partial}{\partial f(t)} \int_0^x f(t)*g(t) dt$

Is there any chance to simplify that?
Sadly there is no information given about the functions f(t) and g(t).

Any ideas?

Rapha

2. The expression...

$\int_{0}^{x} f(t)\cdot g(t)\cdot dt$ (1)

... is a function of the $x$ alone so that its derivative repect to $f(t)$ is zero...

Kind regards

$\chi$ $\sigma$

3. Hello chisigma.

Thank you so much!

Rapha