I'm interested in whether or not integrals of the form $I=\int (f(x)/(1+f(x)))\;dx$ exist. In particular, I've been working on polinoms without aby result. Could someone show me how to solve this integral?
$$\int_a^b \frac{f(x)}{1+f(x)} \,dx$$
I'm interested in whether or not integrals of the form $I=\int (f(x)/(1+f(x)))\;dx$ exist. In particular, I've been working on polinoms without aby result. Could someone show me how to solve this integral?
$$\int_a^b \frac{f(x)}{1+f(x)} \,dx$$