Q&A - Ask Doubts and Get Answers
Q

How is Signum function neither continuous or discontinuous at x=0?

Explain
Answers (1)
Views
The function sgn(x) is undefined at x=0. A function can be continuous or discontinuous at the points of domain not at points outside of the domain. Since {0} does not belong to the domain of sgn(x), the question of continuity or discontinuity is irrelevant.
Exams
Articles
Questions