Answers

  • Brainly User
2014-09-18T18:36:17+05:30
A+b=8 and ab=6 now accoding to the formula,
a³+b³=(a+b)³-3ab(a+b)
by adding values,
a³+b³=(8)³-3(6)(8)
       =512-144
       =368
therefore, a³+b³=368
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The Brainliest Answer!
2014-09-18T20:03:31+05:30
A+b=8 and ab=6

a³+b³=(a+b)³-3ab(a+b)
       =8³-3×6(8)
       =512-144
       =368
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