well the question is: (sorry don't know how to type math)
well the answer key says 2/5 but i get -2/5... i looked up online which told me to get rid of the negative by replacing it with u so i did that and still got the same answer.
This is what I did...
- lim -2u+3
- lim u(-2 + (3/u))
u->∞ u(-5 + (7/u))
this is from instructions online what i normally do is just :
x(2 + (3/-∞))
x(5 + (7/-∞))
and this gets me like ∞/∞????
I don't get it what am I doing wrong???