If F(x)=∫x3sin(t2)dtF(x) = \int_{x}^{3} \sin(t^2) dtF(x)=∫x3sin(t2)dt, what is the derivative F′(x)F'(x)F′(x)?
sin(x2)\sin(x^2)sin(x2)
−sin(x2)-\sin(x^2)−sin(x2)
2xcos(x2)2x \cos(x^2)2xcos(x2)
cos(x2)\cos(x^2)cos(x2)