# Math Help - whats d^2y/dx^2?

1. ## whats d^2y/dx^2?

d^2y/dx^2 is this a derivative of a derivative? Thanks

2. Originally Posted by KevinChan
d^2y/dx^2 is this a derivative of a derivative? Thanks
Its the second derivative of a function.

3. Originally Posted by KevinChan
d^2y/dx^2 is this a derivative of a derivative? Thanks
yes

$\frac{d}{dx}\left(\frac{dy}{dx}\right) = \frac{d^2y}{dx^2}$

4. Many people get this notation confused to have something to do with squaring the derivative. It is exactly what the other they said.