[" 14.If the roots of the equation "px^(2)+qx+r=0" ,where "2p,q,2r" are in G.P,are of the form "],[alpha^(2),4 alpha-4." Then the value of "2p+4q+7r" is: "],[[" (a) "0," (b) "10," (c) "14," (d) "18]]

if the roots of the equation px? +qx r 0, where 2p, a, 2r are in G,P, are of the form 5 a 2,4k 4. Then the value of 2p 4q +7r is (a) (b) 10 (c) 14 (d) 18 15. Let xi, x2, x3,...... xt be the divisors of positive integer n (including 1 and n)

Show that the roots of the equation x^3 +px^2 +qx +r=0 are in G.P p^3 r= q^3

If 3+4i is a root of equation x^(2)+px+q=0 where p, q in R then

If 3+4i is a root of equation x^(2)+px+q=0 where p, q in R then

Let alpha and beta the roots of equation px^(2) + qx + =0 p ne 0 if p,q,r are in A.P and (1)/(alpha) + (1)/(beta) =4 then the value of |alpha -beta| is :

Let alpha and beta be the roots of equation px^2 +qx+r =0 , p ne 0, if p,q, r are in A.P and (1)/ alpha +(1)/( beta ) =4 then the value of | alpha - beta | is

Let alpha and beta be the roots of equation px^2 + qx + r = 0 , p != 0 .If p,q,r are in A.P. and 1/alpha+1/beta=4 , then the value of |alpha-beta| is :

Let alpha and beta be the roots of equation px^(2)+qx+r=0,p!=0. If p,q,r are in A.P. and (1)/(alpha)+(1)/(beta)=4, then the value of | alpha-beta| is

Let alpha and beta be the roots of equation px^2 + qx + r = 0 , p != 0 .If p,q,r are in A.P. and 1/alpha+1/beta=4 , then the value of |alpha-beta| is :