y' = (24x^3)cosx + 2x^4(-sinx)y' = 8x^3cosx - 2x^4sinxy' = 2x^3(4cosx - x*sinx)
y' = 8*3x^2sinx + 8x^3cosxy' = 24x^2sinx + 8x^3cosx
y' = -8*3x^2sinx + 8x^3cosxy' = -24x^2sinx + 8x^3cosx
y' = 83x^2cosx + 8x^3sinx - 24x^3sinxy' = 24x^2cosx + 8x^3sinx - 8x^3sinxy' = 24x^2cosx
y' = (24x^3)cosx + 2x^4(-sinx)
y' = 8x^3cosx - 2x^4sinx
y' = 2x^3(4cosx - x*sinx)
y' = 8*3x^2sinx + 8x^3cosx
y' = 24x^2sinx + 8x^3cosx
y' = -8*3x^2sinx + 8x^3cosx
y' = -24x^2sinx + 8x^3cosx
y' = 83x^2cosx + 8x^3sinx - 24x^3sinx
y' = 24x^2cosx + 8x^3sinx - 8x^3sinx
y' = 24x^2cosx