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CLASE 21

CLASE 21. MULTIPLICACIÓN Y DIVISIÓN DE RADICALES. a. a. R. •. b. b. 1. 1. 1. 1. 1. 1. a , b . n. n. n. n. n. n. a >0. a. a. n. n. . . n. . ab. b >0. n . n. n. . . b. b. ( a  b ). n >1. n. . a  b. 2. 1. ( ab ). =. =. •. . =. . =.

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CLASE 21

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  1. CLASE 21 MULTIPLICACIÓN Y DIVISIÓN DE RADICALES

  2. a a R • b b 1 1 1 1 1 1 a, b  n n n n n n a>0 a a n n   n  ab b>0 n n n   b b (ab) n>1 n  ab 2 1 (ab) = = •  =  =

  3. 52 • 33 3 3 1012  53 6 2 3 3 24 10 n n n a  q  p  ab pq b • 5  12 3 Ejemplo 1 15 5 = = 3 • • • 3 = = = a, b> 0 ; n> 1

  4. 23a 4 3 a n  n 2  ab n  b 6 6 8 8a35a 43a2 = • Ejemplo 2 a) (a> 0) • 6 6 = • 35a7 = = 2 3 (3a2) (3a) 33a3 = 32a4

  5. 10 5 5 3,122a4 3,122a4 7,7526a8 7,7523a4 Ejemplo 2 k = 2 b)  5  = 5 2,52 =

  6. 32 2 2 2 2 ( ) 2 + 22 (1)+ 12 (3 +1)(3 – 1) (3 +1)(3 – 1) ( +1) ( ) 2 + 1 A= ? Halla el valor de A: A = = 3 + 22 = = 2

  7. Trabajo independiente (*) Halla los valores reales de a y bpara los cuales sesatisface la siguiente igualdad: (a + b)2 = 11 + 46

  8. LIBRO DE DISTRIBUCIÓN GRATUITA. PROHIBIDA SU VENTA Trabajo independiente ejemplo 1 ejercicios 1 y 2 epígrafe 9 capítulo 2

  9. 2 2 ( ) ( ) (1) 2 + 22 2 + 1 = a2 (a + b)2 + 2ab + b2 + 12 =

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