Which of the following statements is/are correct?
(A) |x| is continuous every where in its domain.
(B) |x| is differentiable every where in its domain.
(C) [x] is continuous at every integral point.
(D) [x] is discontinuous at every integral point.
Choose the correct answer from the options given below :
Answer & explanation
Correct answer: option 4
(A), (D) are correct only
as |x| is not differentiable at x = 0
and [x] is not continuous for integral points.