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The cubic formula

  1. Aug 17, 2015 #1
    This formula:

    cubic.gif

    Is the unique form of write the cubic formula or exist other?

    OBS: Can be that other formula can be get through of some formula like this:

    c1375136dcd4335e890aa5b016157eb2.png

    source: https://pt.wikipedia.org/wiki/Bhaskara_II
     
  2. jcsd
  3. Aug 18, 2015 #2

    mfb

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    Staff: Mentor

    There are infinite ways to rewrite every formula. The most stupid way is to add +7-7 at the end, but there are many non-trivial ways to rewrite it. As far as I know, they all make the expression more complicated, that's why this form is used to present the solution.
     
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