Home
Class 12
MATHS
If p ,q ,r are positive and are in A.P.,...

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 `|r/p-7|geq4sqrt(3)` b. `|p/r-7|geq4sqrt(3)` c. `a l lpa n dr` d. `nopa n dr`

Promotional Banner

Similar Questions

Explore conceptually related problems

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 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 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

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

If p, q, r are real and p ne q , then the roots of the equation (p-q)x^(2) +5(p+q) x-2(p-q) r are

If p,q,r in R and the quadratic equation px^(2)+qx+r=0 has no real root,then