Topic for November 18, 2013: Simplifying algebraic fractions into lowest term by factoring difference of two squares and factoring perfect trinomial square in terms of (x + y) and 3. Please visit the website to see the details. Thanks and have a nice day to everyone. If you have any questions, please send me an e-mail.
What do you understand by concavity and the second derivative test? Before moving to this, first start with Concavity as you can’t understand anything about second derivative test without learning concavity. Suppose f is differentiable on an open interval I. The graph of f is concave upward on I if the f' is increasing on the interval or f'' is positive in the interval I.