The indicated function

y$1($x$)$

is a solution of the given differential equation.

$6$y$+$ y$$ y $=0$;$$ y$1=$ ex$3$

Use reduction of order or the given formula, as instructed.

y$2=$ y$1($x$)$

e$$P$($x$)$ dxy

$21$

$($x$)$

dx

Find the integrating factor.

e$$P$($x$)$ dx $=$

Find a second solution

y$2($x$).$

y$2=$