Ejercicio 240

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CAPITULO XXXI

R a d i c a l e s
Multiplicación de radicales del mismo índice
Ejercicio 240
Multiplicar:
  1. 3 × 6 = 3 × 6 = 18 = 3 2 × 2 =3 2
  2. 5 21 × 2 3 =5 × 2 21 × 3 =10 63 =10 7 × 3 2 =10 × 3 7 =30 7
  3. 1 2 14 × 2 7 21 = 1 2 × 2 7 14 × 21 = 1 7 7 × 2 × 7 × 3 = 1 7 7 2 × 6 = 1 7 . 7 6 = 6
  4. 123 × 93 = 2 2 × 3 × 3 2 3 = 2 2 × 3 3 3 =3 43
  5. 5 6 153 × 12 503 = 5 6 × 3 × 5 × 5 2 × 2 3 =10 6 × 5 3 3 =10 × 5 63 =50 63
  6. x 2a × 1 a 5a =x × 1 a 2a × 5a = x a 10 a 2 = x a × a 10 =x 10
  7. 5 12 × 3 75 =5 × 3 3 × 2 2 × 5 2 × 3 =15 3 2 × 2 2 × 5 2 =15 × 2 × 3 × 5=450
  8. 3 4 9 a 2 3 × 8 3ab 3 = 3 4 × 3 2 a 2 × 3ab 3 =6 3 3 a 3 b 3 =6 × 3a b3 =18a b3
  9. 3 6 × 14 × 2 35 =3 × 2 2 × 3 × 2 × 7 × 7 × 5 =6 2 2 × 3 × 7 2 × 5 =6 × 2 × 7 15 =84 15