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If a(1),a(2),a(3)….a(n) are positive an...

If `a_(1),a_(2),a_(3)….a_(n)` are positive and `(n-1)s = a_(1)+a_(2)+….+ a_(n)`then prove that `a_(1),a_(2),a_(3)…a_(n) ge (n-1)^(n)(s-a_(1))(s-a_(2))….(s-a_(n))`

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`rArr a_(1),a_(2),a_(3) ......a_(n) " " ge (n-1)^(n)(s-a_(1))....(s-a_(n))`
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