Question

What is `lim_(xrarr0) ( 9/x-(9x)/(x^2+x))`?

Answer 1

It is

#lim_(xrarr0) ( 9/x-(9x)/(x^2+x))=>lim_(xrarr0) ( 9/x-(9x)/(x(x+1)))=> lim_(xrarr0)(9/x-9/(x+1))=lim_(xrarr0)(9/(x(x+1)))=oo#