Ile to jest lim 3^{+} } [latex] frac{x+3}{ x^{2} -9} [/latex]

[latex]limlimits_{x o 3^+} dfrac{x+3}{x^2-9} = limlimits_{x o 3^+} dfrac{x+3}{(x-3)(x+3)}= limlimits_{x o 3^+} dfrac{1}{x-3}= left[ dfrac{1}{0^+} ight]=+infty[/latex]