*-tarea 3-*
1) Calcular el gradiente de la funcion: a)f(x,y) =
4X2-3Y2+Y2f"(X)= (8x-3y) if"(Y)= (-3x+2y)jVf(x,y)= (8x-3y) i - (-3x+2y)j b)f(x,y,z)=