Find the following (no explanation is required in parts i) - iv) ): \text { iii. } \lim _{x \rightarrow \infty} x^{2} e^{1 / x} \lim _{x \rightarrow-\infty} x^{2} e^{1

/ x} \text { v. } f^{\prime}(x) \text { vi. } f^{\prime \prime}(x) \lim _{x \rightarrow 0^{-}} x^{2} e^{1 / x} \lim _{x \rightarrow 0^{+}} x^{2} e^{1 / x}