Solution:
Since is an increasing function on(1, 2) such that and
Clearly, between - 3 and 11 there are thirteen points where is discontinuous
Let denotes the greatest integer function. Then number of points in (1, 2) where the
function is discontinuous, is
Since is an increasing function on(1, 2) such that and
Clearly, between - 3 and 11 there are thirteen points where is discontinuous