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If a, b, c are not all equal and a+b+c greater than zero determine the sign of a³+b³+c³-3abc

If a, b, c are not all equal and a+b+c greater than zero determine the sign of a³+b³+c³-3abc

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1 Answers

SAGAR SINGH - IIT DELHI
879 Points
11 years ago

Dear ajit,

a,b,c are not all zero

a+b+c>0

then a3+b3+c3-3abc>0

Means the sign will be positive.,,,,

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