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Salvador Vera

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Soluciones a los ejercicios y<br />

problemas propuestos<br />

Capítulo 1<br />

Ejercicios de la sección 1.1 (pág. 14)<br />

1.1.1. a) (−∞, 1] b) (−∞, −3]<br />

1.1.2. a) Sin solución. b) [−1, 2] c) [−2, 2]<br />

1.1.3. a) [1, 5] b) (−2, 5)<br />

1.1.4. a) (−∞, −1) ∪ (0, 1) b) [0, 1] ∪ [5, 6]<br />

1.1.5. a) x = −1, b) Sin solución, c) x1 = −2, x2 =0<br />

1.1.6. a) x1 =1,x2 =4 b)x1 =1/2, x2 =5/4 c)2,3,5 d)-1y1<br />

1.1.7. a) 1

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