Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

saifoo.khan

  • 3 years ago

a,b,c,d and e are all integers where a<b<c<d<e if c,d and e are each greater than the product of the next two smaller values(for example d>bc) and e=6 which of the following could equal zero?

  • This Question is Closed
  1. saifoo.khan
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    A)a only B)b only C)b or c only D)a,b and c only E)a,b,c,or d only

  2. problemsolver
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    i would hazard a guess at B)

  3. mukushla
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 3

    b or c only -1<1<0<2<6 -1<0<1<2<6

  4. saifoo.khan
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[Guess = \checkmark\]

  5. mukushla
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 3

    wait ... i made a mistake...

  6. mukushla
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 3

    problemsolver is right...only b

  7. problemsolver
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    sequence can be like -2,0,2,3,6

  8. mukushla
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 3

    nope ...... 6=2*3

  9. mukushla
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 3

    -1<0<1<2<6

  10. problemsolver
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    oops ... will be -3 , 0 , 1,2 ,6

  11. saifoo.khan
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    How so?

  12. mukushla
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 3

    well... we must prove other options are not right for example suppose a=0 then b=1 c=2 d=3 ------> contradiction because 0<1<2<3<6 ,,, 6=2*3

  13. saifoo.khan
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Ah, i see..

  14. mukushla
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 3

    if c=0 then a must be negative and b must be positive this is contradiction again since 0>b

  15. mukushla
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 3

    for d u can prove like prev proof for c=0

  16. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy