extreme values

[chris2005]

can anyone please help with this question:

find two numbers whose difference is 150 and whose product is a minimum

 

[Gene]

y = x(x+150) = x^2+150x
find dy/dx = 0
solve for x

 

[chris2005]

thanks

hey, thanks for your help, i appreciate it alot..i got a couple other questions...i was wondering if u would be able to help with them

 

[Gene]

Why not just post them as new topics and let the tutors fight for the honor :evil:
Gene