Question Number 146403 by gsk2684 last updated on 13/Jul/21 | ||
$${let}\:{f}\left({x},{y}\right)=\frac{{x}^{\mathrm{5}} {y}^{\mathrm{2}} }{\mathrm{10}}\:{then}\:{find}\: \\ $$ $${D}_{{u}} {f}\left(−\mathrm{5},−\mathrm{3}\right)\:{in}\:{the}\:{direction}\:{of}\: \\ $$ $${the}\:{vector}\:<\mathrm{0},−\mathrm{2}>? \\ $$ | ||
Commented bygsk2684 last updated on 14/Jul/21 | ||
$${solution}\:{please} \\ $$ | ||