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- Feb 14, 2012
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Given
$p+q+r+s=0$
$pqrs=1$
$p^3+q^3+r^3+s^3=1983$
Evaluate $\dfrac{1}{p}+\dfrac{1}{q}+\dfrac{1}{r}+\dfrac{1}{s}$.
$p+q+r+s=0$
$pqrs=1$
$p^3+q^3+r^3+s^3=1983$
Evaluate $\dfrac{1}{p}+\dfrac{1}{q}+\dfrac{1}{r}+\dfrac{1}{s}$.