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please prove the following a3 sin(B-C) + b3sin (C-A) + c3 sin (A-B) = 0 ...
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1)find number of real roots of \sum_{r=0}^{r=2n}{}x^r/r! =0 ,(n\epsilon N) 2)Find the number of cubic polynomial p(x) with integral coefficients such that for three distinct integers a,b and c, p(a)=b,p(b)=c and p(c)=a source ...
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1)find number of real roots of \sum_{r=0}^{r=2n}{}x^r/r! =0 ,(n\epsilon N) 2)Find the number of cubic polynomial p(x) with integral coefficients such that for three distinct integers a,b and c, p(a)=b,p(b)=c and p(c)=a source ...
