AP Calculus ABmediummcq1 ptIf F(x)=∫0x2cost dtF(x)=\int_0^{x^2}\cos t\,dtF(x)=∫0x2costdt, then F′(x)=F'(x)=F′(x)=A.cos(x2)\cos(x^2)cos(x2)B.2xcos(x2)2x\cos(x^2)2xcos(x2)C.sin(x2)\sin(x^2)sin(x2)D.2xsin(x2)2x\sin(x^2)2xsin(x2)