Quote (Azrad @ Nov 4 2013 10:07pm)
two problems with that...
- never use appoximations unless you are asked too
- the problem asked for positive solutions for x and y
also without the negative rule above, I can come up with a better solution by inspection: x=-30, y = -1/2
and better than that, x= -60, y = -1/4, and so on.
lol true. i actually just used the instructions for him because he wanted a quick answer and forgot how to properly do this.
Quote (Azrad @ Nov 4 2013 10:25pm)
perhaps you took the integral of the constraint instead of the derivative? Might explain where those e's and natural logs came from...
yup. like a noob who wasn't thinking
This post was edited by rx7drifter on Nov 4 2013 08:27pm