Помогите
[m]=(ln|x+\sqrt{x^2+5}|)|^{0}_{2}=ln|\sqrt{5}|-ln|2+\sqrt{9}|=ln\sqrt{5}-ln5=ln\frac{\sqrt{5}}{5}=ln\frac{1}{\sqrt{5}}=-\frac{1}{2}ln5[/m]
