Find the set of points where x2 |x| is true thrice differentiable.
Find the number of points where f (x) = [sin x + cos x]
(where [.] denotes greatest integral function), x Ïµ [0, 2π] is not continuous.
differentiable function in [0, 2], find a and b. (where [.] denotes the greatest integer function).
Discuss the continuity of the function .