Exercises $\underset{x2}{lim}\sqrt[3]{\frac{x^3-8}{x-2}}\underset{h0}{lim}\frac{1}{h}[\frac{1}{\sqrt[\phantom{2}]{1+h}}-1]\underset{x-1}{lim}\frac{2x^2-x-3}{x^3+2x^2+6x+5}\underset{a0}{lim}\frac{(1+a{)}^{\frac{3}{2}}-1}{a}\underset{x1}{lim}\frac{x-1}{1-x^2}\underset{x1}{lim}\frac{1-\sqrt[3]{x}}{x-1}\underset{x1}{lim}\frac{1-x}{\sqrt[\phantom{2}]{12-3x}-3}\underset{t-2}{lim}\frac{t+2}{\sqrt[\phantom{2}]{8+2t^2}-4}\underset{t-2}{lim}\frac{\sqrt[\phantom{2}]{p}-3}{\sqrt[\phantom{2}]{1+\sqrt[\phantom{2}]{p}}-2}\underset{y0}{lim}\frac{3(x-y{)}^3-3x^3}{y}$