Guys I'm stuck please help me I need the answer ASAP I'll give you all medals

Question

dumptybaby · Answer

I don't have time to try to solve it and practice I just need the answer please guys it's urgent I'll really appreciate it

misssmartiez · Answer

List it

dumptybaby · Answer

Among all the unit vectors u= <x,y,z> in R3,
find the one for which the sum x + 2y + 9z is minimal.

mathmale · Answer

OpenStudy is not the place to go to when you just want answers.  Sorry. Read our Code of Conduct.  

If you had posted the actual problem up front, you might be on the way to finding the answer yourself, with help from one of the rest of us.