Calc question

[dinky]

<p>Just to make sure</p>

<p>the derivative of the mean value thereom is :</p>

<p>MVT: (1/x) {int f(t)dt (from 0 to x)}</p>

<p>derivative= (1/x)f(x) + (-1/x^2) {int f(t)dt (from 0 to x)}</p>

<p>can anyone confirm this?</p>