Question

if z=x^y + y^x, then show that, d²/dxdy = d² 3/dydx
​

Answer 1

Answer:

d2f(x, y)/dydx = 2 x + cos y

also, and this result is true in general:

d2f(x, y)/dxdy = d2f(x, y)/dydx

Step-by-step explanation:

HELPFUL BY EXAMPLE