Let $\displaystyle {x}{y}={3}$ and $\displaystyle {\frac{{{\left.{d}{y}\right.}}}{{{\left.{d}{t}\right.}}}}={2}$.
Find $\displaystyle {\frac{{{\left.{d}{x}\right.}}}{{{\left.{d}{t}\right.}}}}$ when $\displaystyle {x}={3}$.

Preview Question 6