Taller simplificación de fracciones 3
Simplificar las siguientes fracciones.
$$1) \frac{1}{x+2}+\frac{1}{x+3}$$
$$2) \frac{2}{x+3}-\frac{1}{x+4}$$
$$3) \frac{3}{x-6}-\frac{1}{x+2}$$
$$4) \frac{a}{x+a}-\frac{b}{x+b}$$
$$5) \frac{a}{x-a}+\frac{b}{x-b}$$
$$6) \frac{a+x}{a-x}-\frac{a-x}{a+x}$$
$$7) \frac{x+2}{x-2}-\frac{x-2}{x+2}$$
$$8) \frac{x-4}{x-2}-\frac{x-7}{x-5}$$
$$9) \frac{a}{x-a}-\frac{a^{2}}{x^{2}-a^{2}}$$
$$10) \frac{a}{x^{2}-4}+\frac{b}{(x-2)^{2}}$$
$$11) \frac{3}{x-3}+\frac{2x}{x^{2}-9}$$
$$12) \frac{1}{2x-3y}-\frac{x+y}{4x^{2}-9y^{2}}$$
$$13) \frac{1}{1-x^{3}}-\frac{1}{(1-x)^{3}}$$
$$14) \frac{x+a}{x-2a}-\frac{x^{2}+2a^{2}}{x^{2}-4a^{2}}$$
$$15) \frac{4a^{2}+b^{2}}{4a^{2}-b^{2}}-\frac{2a-b}{2a+b}$$
$$16) \frac{2x^{2}}{x^{2}-y^{2}}-\frac{2x}{x+y}$$
$$17) \frac{x}{1-x^{2}}-\frac{x}{1+x^{2}}$$
$$18) \frac{1}{x(x-y)}+\frac{1}{y(x+y)}$$
$$19) \frac{2}{a(x^{2}-a^{2})}-\frac{2}{x(x+a)^{2}}$$
$$20) \frac{xy}{25x^{2}-y^{2}}+\frac{x}{5x+y}$$
