JEE Main 2019 Mathematics question

MathematicsLimitJEE Main 2019

Let [x] denote the greatest integer less than or equal to x. Then

Answer: (C)

Solution

Right limit: π + 1 (sin(0) = 0 for [x] = 0); left limit: [x] = −1 gives , so π. The limits differ.

Question ID VK-010546