[tex]5.\\a)\frac{21}{35}^{(7}=\frac{3}{5}\\ c)\frac{4x}{6x^2}^{(2x}=\frac{2}{3x}\\e)\frac{x+2}{x^2+2x}^{(x+2}=\frac{x+2}{x(x+2)}^{(x+2}=\frac{1}{x}\\ \\7.\\a)\frac{17}{34}^{(17}=\frac{1}{2} \\ c)\frac{24x^3y^2}{18x^2yz^3}^{(6x^2y}=\frac{4xy}{3z^3}\\ e)\frac{56x^3y^2}{14x^2y}^{(14x^2y}=\frac{4xy}{1}=4xy[/tex]
