Find the second-order partial derivative fxxyf_{xxy}fxxy for f(x,y)=ex2sin(y3)f(x, y) = e^{x^2} \sin(y^3)f(x,y)=ex2sin(y3).
6xy2ex26xy^2 e^{x^2}6xy2ex2
6y2(1+2x2)ex2cos(y3)6y^2(1+2x^2) e^{x^2} \cos(y^3)6y2(1+2x2)ex2cos(y3)
6y2(1+2x2)ex26y^2(1+2x^2) e^{x^2}6y2(1+2x2)ex2
6x2y2ex2cos(y3)6x^2y^2 e^{x^2} \cos(y^3)6x2y2ex2cos(y3)