The error function, erf(x), is defined by the following
.
(a) .
(b)
can someon please help me out with this one...thanksness
mathlete
(a)If x = 0, you have the definite integral:
$\displaystyle \int_{0}^{0}e^{-t^{2}}dt$
which results in?
(b)Think of the fundamental theorem of calculus (with an added variation involving the chain rule):
$\displaystyle \frac{d}{dx} \int_{a}^{g(x)}f(t)dt = f\left(g(x)\right) \cdot g'(x)$