Respuestas sección 4.2
−
2
x
+
8
4
x
−
1
\hspace{0.1cm}\cfrac{-2}{x}+\cfrac{8}{4x-1}
x
−
2
+
4
x
−
1
8
−
17
16
x
−
7
−
63
16
x
+
9
\hspace{0.1cm}-\cfrac{\frac{17}{16}}{x-7}-\cfrac{\frac{63}{16}}{x+9}
−
x
−
7
16
17
−
x
+
9
16
63
3
2
x
+
1
−
10
x
+
2
+
21
2
x
+
3
\hspace{0.1cm}\cfrac{\frac{3}{2}}{x+1}-\cfrac{10}{x+2}+\cfrac{\frac{21}{2}}{x+3}
x
+
1
2
3
−
x
+
2
10
+
x
+
3
2
21
−
3
10
x
−
1
5
+
7
10
x
+
1
5
\hspace{0.1cm}-\cfrac{\frac{3}{10}}{x-\frac{1}{5}}+\cfrac{\frac{7}{10}}{x+\frac{1}{5}}
−
x
−
5
1
10
3
+
x
+
5
1
10
7
6
7
x
−
7
+
29
7
x
+
4
x
2
\hspace{0.1cm}\cfrac{\frac{6}{7}}{x-7}+\cfrac{\frac{29}{7}}{x}+\frac{4}{x^2}
x
−
7
7
6
+
x
7
29
+
x
2
4
−
2
(
x
−
2
)
2
+
2
(
x
−
1
)
2
\hspace{0.1cm}-\cfrac{2}{\left(x-2\right)^2}+\cfrac{2}{\left(x-1\right)^2}
−
(
x
−
2
)
2
2
+
(
x
−
1
)
2
2
1
2
x
−
1
−
5
54
x
+
3
−
11
27
x
−
7
9
x
2
+
1
3
x
3
\hspace{0.1cm}\dfrac{\frac{1}{2}}{x-1}-\cfrac{\frac{5}{54}}{x+3}-\dfrac{\frac{11}{27}}{x}-\dfrac{\frac{7}{9}}{x^2}+\dfrac{\frac{1}{3}}{x^3}
x
−
1
2
1
−
x
+
3
54
5
−
x
27
11
−
x
2
9
7
+
x
3
3
1
1
x
−
1
+
5
x
−
2
x
2
+
9
\hspace{0.1cm}\cfrac{1}{x-1}+\cfrac{5x-2}{x^2+9}
x
−
1
1
+
x
2
+
9
5
x
−
2
5
x
−
3
x
2
+
1
+
2
x
(
x
2
+
1
)
2
\hspace{0.1cm}\cfrac{5x-3}{x^2+1}+\cfrac{2x}{\left(x^2+1\right)^2}
x
2
+
1
5
x
−
3
+
(
x
2
+
1
)
2
2
x
3
x
+
2
x
−
5
−
1
x
+
1
\hspace{0.1cm}\cfrac{3}{x}+\cfrac{2}{x-5}-\cfrac{1}{x+1}
x
3
+
x
−
5
2
−
x
+
1
1