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InsanelyChaotic

Rationalize the denominator 5 ________________ (6-4sq root 7) - (8-5sq root 7)

  • one year ago
  • one year ago

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  1. hartnn
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    what have u tried ?

    • one year ago
  2. RolyPoly
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    First, simplify the denominator: \[(6-4\sqrt7) - (8-5\sqrt7)\] Add the like terms.

    • one year ago
  3. Kelumptus
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    There is no denominator....

    • one year ago
  4. InsanelyChaotic
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    |dw:1354942795145:dw|

    • one year ago
  5. slaaibak
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    @Kelumptus there is. it's 5 / radical

    • one year ago
  6. InsanelyChaotic
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    wow you're telling me all of you guys like math????

    • one year ago
  7. RolyPoly
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    @Kelumptus The fraction is \[\frac{5}{(6-4\sqrt7) - (8-5\sqrt7)}\]

    • one year ago
  8. Kelumptus
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    Ahhh... i missed the 5 in the question, cheers.

    • one year ago
  9. InsanelyChaotic
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    |dw:1354942881953:dw|

    • one year ago
  10. hartnn
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    what ?

    • one year ago
  11. InsanelyChaotic
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    Really?!!!!!!!!!!!!!!!! I'm RIGHT?!!!!!!!!!!!!!!!!!!!!

    • one year ago
  12. InsanelyChaotic
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    Nothing, disregard what's above

    • one year ago
  13. hartnn
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    yeah, the previous answer was correct...

    • one year ago
  14. hartnn
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    or were you typing options ? :P

    • one year ago
  15. InsanelyChaotic
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    I didn't mean to send the one above. thank god!

    • one year ago
  16. InsanelyChaotic
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    It was work i was doing on my own haha that "post" button is clicking itself eh? ;) jk

    • one year ago
  17. hartnn
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    oh, wait...you sure there is no sign mistake ?

    • one year ago
  18. InsanelyChaotic
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    In the answer?

    • one year ago
  19. hartnn
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    yeah, u sure about your answer ?

    • one year ago
  20. InsanelyChaotic
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    |dw:1354943056191:dw|

    • one year ago
  21. slaaibak
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    \[{5 \over -2 + \sqrt 7} = { {5 \over -2 + \sqrt 7} \times {-2 - \sqrt 7 \over -2 - \sqrt 7}} = { {10 + 5\sqrt 7} \over {3}}\]

    • one year ago
  22. hartnn
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    yup. thats absolutely correct, just checking that you were sure or not ......

    • one year ago
  23. slaaibak
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    hartnn that's not correct.

    • one year ago
  24. hartnn
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    O.o

    • one year ago
  25. InsanelyChaotic
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    HUH?

    • one year ago
  26. slaaibak
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    Check my answer for the correct thing.

    • one year ago
  27. hartnn
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    oh, yes, slaaibak is right, you missed a 5, @InsanelyChaotic

    • one year ago
  28. InsanelyChaotic
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    Oh did I???? my error

    • one year ago
  29. InsanelyChaotic
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    thank you for the heads up!

    • one year ago
  30. InsanelyChaotic
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    |dw:1354943282970:dw|

    • one year ago
  31. hartnn
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    yup.

    • one year ago
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