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Clase 13

Clase 13. x – 1. x + 1. √. x – 1 + x – 4. = x – 5. =. √. √. x – 1. x + 2. Ejercicios de ecuaciones con radicales fraccionaria. 1. a) √ x – 2 =. √ x – 2. 12 – 6 √ x. b) 2 √ x =. 2 √ x – 13. Ejercicio. Determina el conjunto solución de las siguientes ecuaciones:.

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Clase 13

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  1. Clase 13 x – 1 x + 1 √ x – 1 + x – 4 = x – 5 = √ √ x – 1 x +2 Ejercicios de ecuaciones con radicales fraccionaria

  2. 1 a) √ x – 2 = √ x – 2 12 – 6 √ x b) 2 √ x = 2 √ x – 13 Ejercicio Determina el conjunto solución de las siguientes ecuaciones:

  3. 1 a) √ x – 2 = √ x – 2 2 √ x – 2 = 1 x – 4√x + 4 = 1 x + 3 = 4√x ●() √ x – 2 x – 9 = 0 x = 9 2 2 ó x – 1 = 0 x2 + 6x + 9 = 16x x = 1 x2 – 10x + 9 = 0 (x – 9)(x – 1) = 0

  4. 12 – 6 √ x 12 – 6 √ x 12 – 6 √ x 2 √ x – 13 2 √ x – 13 2 √ x = 20 √ x – 26 x = 5 x 4 b) 2 √ x = = 4x = 4x – 12 2 2 x – 3 x2 – 6x + 9 =25x x2– 31x + 9 = 0

  5. x2– 31x + 9 = 0 D = b2 – 4ac a = 1 b = –31 = (–31)2 – 4(1)(9) c = 9 = 961 – 36 = 925

  6. = 2 31  30,4  2 0,6 61,4 x1= x2= 2 2 x1;2= 31  925 2a –b  D  30,7 La ecuación tiene una solución ¿cuál es?  0,3

  7. x – 1 x + 1 √ x – 1 + x – 4 = x – 5 = √ √ x – 1 x +2 Para el estudio individual Determina el conjunto solución de las siguientes ecuaciones: a) S = {7 } b) S = {5 }

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