Exactly!
Before posting, I've tryed L'hopp, and i reached the following answer:
(mn)(m-n)(1/2)
Right?, but looking at the answer's section in the book, i realized that the answer given by the book is:
(mn)(m-n)
Warning! my silly idea:
expanding the binomial, and doing the substitution...
limit from some russian book: lmt--0 [(1+mx)^n-(1+nx)^m]/x^2
Hey guys, I'm newbie in calculus, while doing a quick reading of my problem's book i find this interesting limit:
Homework Statement
solve the following limit when x tend to zero,
m and n belong to the set of naturals...