muzzammilahmad876 muzzammilahmad876
  • 17-11-2021
  • Mathematics
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a(b-c)+b(c-a)+c(a-b)
​

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Аноним Аноним
  • 17-11-2021

[tex] \sf \pink{a(b-c)+b(c-a)+c(a-b) }\\[/tex]

[tex] \sf =ab -ac +bc -ba +ca -cb\\[/tex]

[tex] \sf =ab -ac +bc -ab +ac -bc \\[/tex]

[tex] \sf = \cancel{ab} - \cancel{ac} + \cancel{bc} - \cancel{ab} + \cancel{ac} - \cancel{bc} \\[/tex]

[tex] \sf \pink{=0} [/tex]

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