IF the roots of ` (a^2 +b^2 ) x^2 +2 (bc + ad ) x +(c^2+d^2)=0` are real and equal then

IF ad ne bc then the roots of (a^2 +b^2)x^2+2x(ac+bd) +(c^2 +d^2)=0 are

If the roots of (a^(2)+b^(2)) x^(2)+2(a c+b d) x+(c^(2)+d^(2))=0 are equal then

Column I, Column II If a ,b ,c ,a n dd are four zero real numbers such that (d+a-b)^2+(d+b-c)^2=0 and he root of the equation a(b-c)x^2+b(c-a)x=c(a-b)=0 are real and equal, then, p. a+b+c=0 If the roots the equation (a^2+b^2)x^2-2b(a+c)x+(b^2+c^2)=0 are real and equal, then, q. a ,b ,ca r einAdotPdot If the equation a x^2+b x+c=0a n dx^3-3x^2+3x-0 have a common real root, then, r. a ,b ,ca r einGdotPdot Let a ,b ,c be positive real number such that the expression b x^2+(sqrt((a+b)^2+b^2))x+(a+c) is non-negative AAx in R , then, s. a ,b ,ca r einHdotPdot

if the roots of (a^2+b^2)x^2-2b(a+c)x+(b^2+c^2)=0 are real and equal then a,b,c are in

Prove that, if the roots of the equation (a^2+b^2)x^2+2(bc+ad)x+(c^2+d^2)=0 be real, then they are equal.

If the roots of the equation (a^(2)+b^(2))x^(2)+2(bc+ad)x+(c^(2)+d^(2))=0 are real then a^(2),bd,c^(2) are in :

If the roots of the equation (a^(2)+b^(2))x^(2)+2(bc+ad)x+(c^(2)+d^(2))=0 are real then a^(2),bd,c^(2) are in

If (a^2+b^2)x^2+2(ac+bd)x+(c^2+d^2)=0 has no real roots then