Not sure if the description fits the question I have, but here it goes:
"If a vector function f(x,y,z) is not irrotational but the product of f and a scalar function g(x,y,z) is irrotational, show that then:
"
I've been working at this for a couple hours now... I was able to find that since:
and
,
then
I don't even know if this is in the right direction. Help!