Question

求导f(x)=（e^(2x)）/(x^2)+1

Answer 1

利用商的求导法则

f(x)={(e^(2x))`*(x^2)+1-e^(2x)）*[(x^2)+1]`}/[(x^2)+1]^2

={2e^(2x)*[(x^2)+1]-e^(2x)）*2x}/[(x^2)+1]^2