if P , q, r are positive and are in A.P the roots of the quadrativ `px^2 + qx + r=0` real for

If p, q, r are positive and are in AP, the roots of quadratic equation px^(2) + qx + r = 0 are real for :

If p ,q ,r are positive and are in A.P., the roots of quadratic equation p x^2+q x+r=0 are all real for a. |r/p-7|geq4sqrt(3) b. |p/r-7|geq4sqrt(3) c. all p and r d. no p and r

If p ,q ,r are positive and are in A.P., the roots of quadratic equation p x^2+q x+r=0 are all real for a. |r/p-7|geq4sqrt(3) b. |p/r-7|geq4sqrt(3) c. all p and r d. no p and r

If p,q,r are + ve and are in A.P., the roots of quadratic equation px^2 + qx + r = 0 are all real for

If p,q,r are positive and are in A.P.the roots of quadratic equation px^(2)+qx+r=0 are all real for a.|(r)/(p)-7|>=4sqrt(3)b|(p)/(r)-7|>=4sqrt(3)c* all p and rd. no p and r

If p,q,r are in A.P. and are positive, the roots of the quadratic equation px^(2) + qx + r = 0 are real for :

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