MathematicsHard179×since 2002Q4215Let f(x)=∣2x2+5∣x∣−3∣,x∈Rf(x)=\left|2 x^2+5\right| x|-3|, x \in \mathbf{R}f(x)=2x2+5x∣−3∣,x∈R. If m\mathrm{m}m and n\mathrm{n}n denote the number of points where fff is not continuous and not differentiable respectively, then m+n\mathrm{m}+\mathrm{n}m+n is equal to :A5B3C2D0Check answerSkip