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Álgebra: Fracciones Algebraicas
Contributed by: Ortiz Corredor
  • 1. (x2+2x)/(x2-4)
A) Es irreducible
B) x/(x+2)
C) x+2
D) x/(x-2)
  • 2. (x2+8x+15)/(x2-5x-24)
A) (x+5)/(x-8)
B) Es irreducible
C) (x+3)/(x-8)
D) -23/29
  • 3. (10x-2x2)/(2x2-7x-15)
A) -2/(x-5)
B) -2x/(2x+3)
C) Es irreducible
D) (2x(5-x))/((x-5)(2x+3))
  • 4. (3·x2 - 10·x + 3)/(3·x2 - 7·x + 2)
A) (x - 3)/(x - 2)
B) (x + 3)/(x - 2)
C) Es irreducible
D) (x + 3)/(x + 2)
  • 5. (x3 + 8)/(x2 - 3·x - 10)
A) (x2 - 2·x + 4)/(x + 5)
B) Es irreducible
C) (x2 - 2·x + 4)/(x - 5)
D) (x + 4)/(x - 5)
  • 6. 4/(x+2)+3/(x+1)+2/(x + 1)
A) (9·x + 14)/(x2 - 3·x - 2)
B) (9·x + 14)/((x + 1)·(x + 2))
C) 7/(x2 + 3·x + 2)
D) 7/(x2 - 3·x - 2)
  • 7. x/(x-2)+(x+5)/(x-8)
A) (2·x2 + 5·x + 10)/((x - 2)·(x - 8))
B) (2·x2 - 5·x - 10)/((x + 2)·(x + 8))
C) (2·x2 - 5·x - 10)/((x - 2)·(x - 8))
D) x/(x+2)+(x-5)/(x-8)
  • 8. (x3 + 6·x2 - 5·x - 21)/(x2 + 3·x - 18)+(1)/(x+6)
A) (x2 - 4)/(x - 3)
B) (x2 - 4)/(x + 3)
C) (x2 + 4)/(x - 3)
D) (x-4)2 /(x - 3)
  • 9. {((x+1)/(x-1))*((3x-3)/(2x+2))}/{(x2+x)/(x2-x-2)}
A) 3·(x - 2)/(2·x)
B) 3·(x - 2)/x
C) (x - 2)/(2·x)
D) 3·(x + 2)/(2·x)
  • 10. {4·x3/3}/{3·x5/x2·(x2/9)}
A) 4·x8/9
B) 4·x2/9
C) 8/x2
D) 4/x2
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