Thursday

October 27, 2016
Posted by **Jane** on Saturday, September 5, 2009 at 2:37am.

If y = x^m

and y'= mx^(m-1)

y" = ?

- Calculus -
**drwls**, Saturday, September 5, 2009 at 5:16amYou have already written the correct value of the derivative of y(x). That is y' = m x^(m-1) .

The second derivative is

y" = m(m-1)y^(m-2)