f p,q, r are +ve and are in A. P., in the roots of quadratic equation `px^2+qx+r =0 ` are real forA.` | (r/p)-7| >= 4sqrt(3)`B `| (p/r) -7| >= 4sqrt(3)`C. all p and rD. no p and rA. `|r/p-7| ge 4sqrt(3)`B. `|p/r-7| ge 4sqrt(3)`C. all p and rD. no p and r

f p,q, r are +ve and are in A. P., in the roots of quadratic equation

1.	f p,q, r are +ve and are in A. P., in the roots of quadratic equation `px^2+qx+r =0 ` are real forA.` \| (r/p)-7\| >= 4sqrt(3)`B `\| (p/r) -7\| >= 4sqrt(3)`C. all p and rD. no p and rA. `\|r/p-7\| ge 4sqrt(3)`B. `\|p/r-7\| ge 4sqrt(3)`C. all p and rD. no p and r
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f p,q, r are +ve and are in A. P., in the roots of quadratic equation `px^2+qx+r =0 ` are real forA.` | (r/p)-7| >= 4sqrt(3)`B `| (p/r) -7| >= 4sqrt(3)`C. all p and rD. no p and rA. `|r/p-7| ge 4sqrt(3)`B. `|p/r-7| ge 4sqrt(3)`C. all p and rD. no p and r

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