Decide limit

[Nivelo]

Question: Decide if possible U so that lim x->2 f(x) = ( (x^2-2*x)/(u*x+x^2+12)) has a limit that is NOT 0.

Can anyone help me out? Thanks in advance.

 

[Deleted member 4993]

Question: Decide if possible U so that lim x->2 f(x) = ( (x^2-2*x)/(u*x+x^2+12)) has a limit that is NOT 0.

Can anyone help me out? Thanks in advance.

Calculate the value of 'u' so that (u*x+x^2+12) will have factor (x-2).

 

[pka]

This page is a hint to go with Mt Khan advice.