Let z = e ^ u-2v, u = SiNx, v = x ^ 3, find DZ / DX,

Let z = e ^ u-2v, u = SiNx, v = x ^ 3, find DZ / DX,

du/dx=cosx dv/dx=3x^2
dz/dx=e^u*du/dx-2dv/dx
=e^u*cosx-6x^2