Home
Class 11
MATHS
If p,q,r are + ve and are in A.P., the 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`

A

`|r/p-7|ge4sqrt3`

B

`|r/p-7|lt4sqrt3`

C

All p and r

D

No p and r

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

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 be the numbers in A.P.then roots of the equationp x^(2)+qx+r=0 are of

If the roots of the equation px^(2)+qx+r=0 are in the ratio l:m then

if p,q,r are real numbers satisfying the condition p + q +r =0 , then the roots of the quadratic equation 3px^(2) + 5qx + 7r =0 are

If the roots of the equation x^(3) - px^(2) + qx - r = 0 are in A.P., then