_MATH1013_1ABCD_2025 Subsection 3.1 (closed on 27 Sep)

Let \(f:\mathbb {R}\to \mathbb {R}\) be an odd function such that \(\displaystyle \lim _{x\to 0^+}{f(x)}=2\). Find \(\displaystyle \lim _{x\to 0^-}{f(x)}\). (Write down X if the limit does not exist.)