CUET Mathematics - For the greatest integer function f(x)=[x], which of the following statements are correct? A. It is continuous at all real numbers. B. It is continuous at x=2 and 3. C. It is continuous and differentiable for x(2,3) D. It is continuous and differentiable at x=4.5 Choose the correct answer from the options given below: | PYQs + Solutions | AfterBoards