Question
Mathematics Question on Maxima and Minima
Let f(x)=[x2]sinπx, x>0. Then
A
f is discontinuous everywhere.
B
f is continuous everywhere.
C
f is continuous at only these points which are perfect squares.
D
f is continuous at only these points which are not perfect squares.
Answer
f is continuous at only these points which are perfect squares.
Explanation
Solution
The correct answer is option (C) : f is continuous at only these points which are perfect squares.