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If p, q, r and s are four positive real numbers such that pqrs = 1, what is the minimum value of (1+p)(1+q)(1+r)(1+s)?___ |
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Answer» If p, q, r and s are four positive real numbers such that pqrs = 1, what is the minimum value of (1+p)(1+q)(1+r)(1+s)? |
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