Just need pointing in the right direction then hopefullly I'l understand these ....
Find 1st and 2nd Order Partial Derivatives:
z = 3x² - 2y⁴
Now I know there should be 4 second order Derivatives and i remember how to work the first two out which are:
However I become stuck on working out the last two which I believe should be the same.
I know what they are they are the Zxy and Zyx and I know they are the same but could someone explain how i calculate these thanks.
I know what theI kk