Question
If a = 7.250, b = 3.258 and c = 3.992 then value of
a3-b3-c3-3abc is.Solution
we know that if a+b+c = 0 then 
HereĀ a = 7.250, b = 3.258 and c = 3.992 Ā and a+(-b)+(-c)=0 so by the above formula OR OR
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