What is the derivative of f(x)=x2cos(x)f(x) = x^2 \cos(x)f(x)=x2cos(x)?
2xcos(x)−x2sin(x)2x \cos(x) - x^2 \sin(x)2xcos(x)−x2sin(x)
2xcos(x)+x2sin(x)2x \cos(x) + x^2 \sin(x)2xcos(x)+x2sin(x)
2xcos(x)2x \cos(x)2xcos(x)
x2sin(x)x^2 \sin(x)x2sin(x)