MathematicsMedium179×since 2002Q4166If the function f(x)=sin3x+αsinx−βcos3xx3,x∈Rf(x)=\frac{\sin 3 x+\alpha \sin x-\beta \cos 3 x}{x^3}, x \in \mathbf{R}f(x)=x3sin3x+αsinx−βcos3x,x∈R, is continuous at x=0x=0x=0, then f(0)f(0)f(0) is equal to :A4B−-−2C−-−4D2Check answerSkip