91Ó°ÊÓ

In the following exercises, divide the rational expressions.

$\frac{v-5}{11-v}÷\frac{v^2-25}{v-11}$

In the following exercise, Simplify.

$\frac{{\displaystyle \frac{2}{m}}+{\displaystyle \frac{m}{n}}}{{\displaystyle \frac{n}{m}}-{\displaystyle \frac{1}{n}}}$

In the following exercise, simplify.

$\frac{{\displaystyle \frac{1}{3}}+{\displaystyle \frac{1}{8}}}{{\displaystyle \frac{1}{4}}+{\displaystyle \frac{1}{12}}}$

In the following exercise, simplify$\frac{{\displaystyle \frac{3}{a^2}}-{\displaystyle \frac{1}{b}}}{{\displaystyle \frac{1}{a}}+{\displaystyle \frac{1}{b^2}}}$

In the following exercise, simplify

$\frac{{\displaystyle \frac{2}{x^2-49}}+{\displaystyle \frac{1}{z+7}}}{{\displaystyle \frac{9}{z+7}}+{\displaystyle \frac{12}{z-7}}}$

In the following exercise, simplify

$\frac{{\displaystyle \frac{3}{y^2-4y-32}}}{{\displaystyle \frac{2}{y-8}}-{\displaystyle \frac{1}{y+4}}}$

In the following exercise solve$\frac{1}{2}+\frac{2}{3}=\frac{1}{x}$

In the following exercise, solve$1-\frac{2}{m}=\frac{8}{m^2}$

In the following exercise solve$\frac{1}{b-2}+\frac{1}{b+2}=\frac{3}{b^2-4}$

In the following exercise solve$\frac{3}{q+8}-\frac{2}{q-2}=1$