I was hoping for some help.
I just need to know if what I've done is mathematically legal.
I have "A" which is function of x given by :
A(x) = [Integral from 0 to infinity] cos(t^3 + x*t)) dt
t is an unknown.
Lets say i wish to find the value of x, at which A(x) = 0
Can i simply do this...