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Question
Use property to evaluate : 133 + (-8)3 + (-5)3
Sum
Solution
Property is if a + b + c = 0 then a3 + b3 + c3 = 3abc
a = 13, b = -8 and c = -5
133 + (-8)3 + (-5)3 = 3(13)(-8)(-5) = 1560
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