cookiemonster9966 cookiemonster9966

14-06-2014
Mathematics

contestada

how do I expand
r(r-r2) the 2 is meant to be r squared

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Аноним Аноним

14-06-2014

[tex]r(r-r^2) \\ =r^2-r^3[/tex]

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konrad509 konrad509

14-06-2014

[tex]r(r-r^2) =\\ r^2-r^3[/tex]

Answer Link

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