If \( p, q, r \) are real numbers satisfying the condition \( p+q+r...

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If \( p, q, r \) are real numbers satisfying the condition \( p+q+r=0 \), then the roots of the quadratic equation \( 3 p x^{2} \)
\( \mathrm{P} \) \( +5 q x+7 r=0 \) are

W.
(a) Positive
(b) Negative
(c) Real and distinct
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