JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 12
question_answer
Let \[f(x)=[3+4\sin x]\](where [ ] denotes the greatest integer function). If sum of all the values of x in \[[\pi ,\,2\pi ],\] where \[f(x)\]fails to be differentiable, is \[\frac{k\pi }{2},\] then the value of k is.