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If p,q,r epsilon R and the quadratic equ...

If `p,q,r epsilon R` and the quadratic equation `px^2+qx+r=0` has no real roots, then (A) `p(p+q+r)gt0` (B) `(p+q+r)gt0` (C) `q(p+q+r)gt0` (D) `p+q+rgt0`

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