W.E-4:Examine the continuity and di...
Question

# W.E-4:Examine the continuity and differentiability of y = sin(x | at x=nn,nel

JEE/Engineering Exams
Maths
Solution
128
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Sol: It is clear from the graph that ( y=|sin | x|| ) continuous everywhere but not differentiable [ x=ldots . .-2 pi,-pi, 0, pi, 2 pi, ldots ldots ] i.e., ( x=n pi, n in I ) We observe that at all integral values of ( pi, ) fhan sharp corner