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If p,q,r in R and the quadratic equation...

If `p,q,r in 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`

A

`p(p+q+r)lt 0`

B

`p(p-2q+4r)gt 0`

C

`p(p+4q+2r)lt0`

D

none of these

Text Solution

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The correct Answer is:
B
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