Find f′′(x)f''(x)f′′(x) for f(x)=x2sin(x)f(x) = x^2 \sin(x)f(x)=x2sin(x).
(2−x2)sin(x)+4xcos(x)(2-x^2)\sin(x) + 4x\cos(x)(2−x2)sin(x)+4xcos(x)
(2−x2)cos(x)+4xsin(x)(2-x^2)\cos(x) + 4x\sin(x)(2−x2)cos(x)+4xsin(x)
(x2−2)sin(x)+4xcos(x)(x^2-2)\sin(x) + 4x\cos(x)(x2−2)sin(x)+4xcos(x)
−x2sin(x)+2cos(x)-x^2\sin(x) + 2\cos(x)−x2sin(x)+2cos(x)