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# solution for X^3+Y^3+Z^3

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Intern
Joined: 12 Sep 2010
Posts: 33

Kudos [?]: 8 [0], given: 3

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14 Oct 2010, 16:51
Hi Guys;

In my schoold days, i knew a formula/solution about following equation. It would be a great help if some one can tell me solution/formula as i am forgetting it now.

X^3+Y^3+Z^3 = ???

Regards

Kudos [?]: 8 [0], given: 3

Intern
Joined: 10 Oct 2010
Posts: 23

Kudos [?]: 23 [0], given: 1

Location: Texas

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14 Oct 2010, 17:17
Fraz wrote:
Hi Guys;

In my schoold days, i knew a formula/solution about following equation. It would be a great help if some one can tell me solution/formula as i am forgetting it now.

X^3+Y^3+Z^3 = ???

Regards

I do not believe that you are providing enough information about the equation. What exactly would you like to "do" with the equation? Factor it? Find the roots?

Kudos [?]: 23 [0], given: 1

Retired Moderator
Joined: 02 Sep 2010
Posts: 793

Kudos [?]: 1208 [0], given: 25

Location: London

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14 Oct 2010, 17:35
$$x^3+y^3+z^3=(x+y+z)*(x^2+y^2+z^2-xy-xz-yz)+3xyz$$

Posted from GMAT ToolKit
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Kudos [?]: 1208 [0], given: 25

Re: solution for X^3+Y^3+Z^3   [#permalink] 14 Oct 2010, 17:35
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