Find dydx\displaystyle \frac{{{\left.{d}{y}\right.}}}{{{\left.{d}{x}\right.}}} for y=ex43x2\displaystyle {y}=\frac{{{e}^{{{x}^{{{4}}}}}}}{{\sqrt{{{3}-{x}^{{{2}}}}}}}.

dydx\displaystyle \frac{{{\left.{d}{y}\right.}}}{{{\left.{d}{x}\right.}}} =