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DESCARGA
CAPITULO XXXI

R a d i c a l e s
Multiplicación de radicales compuestos
Ejercicio 241
Multiplicar:
  1. 2 – 3 por 2 ( 2 – 3 )2 = 2 2 – 6 =2– 6
  2. 7 5 +5 3 por2 3 (7 5 +5 3 ) 2 3 =14 15 +10 3 2 =14 15 +10( 3 ) =30+14 15
  3. 2 3 + 5 –5 2 por4 15 (2 3 + 5 –5 2 ) 4 15 =8 45 +4 75 –20 30 =8 3 2 .5 +4 5 2 .3 –20 30 =24 5 +20 3 –20 30 =4(6 5 +5 3 –5 30 )
  4. 2 – 3 por 2 +2 3 2 – 3 2 +2 3 2 2 – 6 2 6 –2 3 2 2+ 6 –6 = 6 –4
  5. 5 +5 3 por2 5 +3 3 5 +5 3 2 5 +3 3 2 5 2 +10 15 3 15 +15 3 2 10+13 15 +45 =55+13 15
  6. 3 7 –2 3 por5 3 +4 7 3 7 –2 3 4 7 +5 3 12 7 2 –8 21 15 21 –10 3 2 84+7 21 –30 =54+7 21
  7. a –2 x por3 a + x a –2 x 3 a + x 3 a 2 –6 ax ax –2 x 2 3a–5 ax –2x
  8. 7 5 –11 7 por5 5 –8 7 7 5 –11 7 5 5 –8 7 35 5 2 –55 35 –56 35 +88 7 2 175–111 35 +616 791–111 35
  9. 2 + 3 + 5 por 2 – 3 2 + 3 + 5 2 – 3 2 2 + 6 + 10 – 6 – 3 2 – 15 2–3+ 10 – 15 –1+ 10 – 15
  10. 2 –3 3 + 5 por 2 +2 3 – 5 2 –3 3 + 5 2 +2 3 – 5 2 2 –3 6 + 10 2 6 –6 3 2 +2 15 – 10 +3 15 – 5 2 2– 6 –18+5 15 –5 –21– 6 +5 15
  11. 2 3 – 6 + 5 por 3 + 6 +3 5 2 3 – 6 + 5 3 + 6 +3 5 2 3 2 – 18 + 15 2 18 – 6 2 + 30 6 15 –3 30 +3 5 2 6 + 18 – 6 +7 15 –2 30 +15 3 2 +7 15 –2 30 +15
  12. a + a+1 por a +2 a+1 a + a+1 a +2 a+1 a 2 + a(a+1 ) 2 a(a+1 ) +2 (a+1 ) 2 a+3 a(a+1 ) +2(a+1 ) a+3 a(a+1 ) +2a+2 3a+3 a(a+1 ) +2
  13. 2 a –3 a–b por3 a + a–b 2 a –3 a–b 3 a + a–b 6 a 2 –9 a(a–b ) 2 a(a–b ) –3 (a–b ) 2 6a–7 a(a–b ) –3(a–b ) 6a–7 a(a–b ) –3a+3b 3a–7 a(a–b ) +3b
  14. 1– x 2 +xpor2x+ 1– x 2 1– x 2 +x 2x+ 1– x 2 2x 1– x 2 +2 x 2 (1– x 2 ) 2 +x 1– x 2 1– x 2 +3x 1– x 2 +2 x 2 x 2 +3x 1– x 2 +1
  15. a+1 + a–1 por a+1 +2 a–1 a+1 + a–1 a+1 +2 a–1 (a+1 ) 2 + a 2 –1 2 a 2 –1 +2 (a–1 ) 2 a+1+3 a 2 –1 +2(a–1 ) a+1+3 a 2 –1 +2a–2 3a+3 a 2 –1 –1
  16. 2 x+2 –2por x+2 –3 2 x+2 –2 x+2 –3 2 (x+2 ) 2 –2 x+2 –6 x+2 +6 2(x+2 ) –8 x+2 +6 2x+4–8 x+2 +6 2x–8 x+2 +10
  17. 3 a –2 a+x por2 a +3 a+x 3 a –2 a+x 2 a +3 a+x 6 a 2 –4 a(a+x ) 9 a(a+x ) –6 (a+x ) 2 6a+5 a(a+x ) –6(a+x ) 6a +5 a(a+x ) – 6a –6x 5 a(a+x ) –6x
  18. a+x – a–x por a+x –2 a–x a+x – a–x a+x –2 a–x (a+x ) 2 – a 2 – x 2 –2 a 2 – x 2 +2 (a–x ) 2 a+x–3 a 2 – x 2 +2(a–x ) a+x–3 a 2 – x 2 +2a–2x 3a–x–3 a 2 – x 2
Categories: Capítulo XXXI