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| Multiply In Pairs, Get Product (Posted on 2007-07-26) |
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Determine all possible positive real quadruplets (p, q, r, s) satisfying the following system of equations:
pqrs = 27 + pq+ pr + ps + qr + qs + rs
p+q+r+s = 12
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 | Solution | Praneeth | 2007-07-26 11:23:25 |
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