Question

If $f^{\prime }\left(0^{+}\right)=p$ and $f^{\prime }\left(0^{-}\right)=q$, then which one of the fowing is correct?

• A. pexists but q does not exists.
• B. q exists but $p$ does not exists.
• C. $p=q=0$
• D. $(p-q)$ is a non zero finite quantity.

Answer 1

Answer: (C)

Correct answer is (c) $p=q=0$