[" 9.Prove that the equation "x^(2)(a^(2)+b^(2))+2x(ac+bd)+(c^(2)+d^(2))=0" has real "],[" roots if "ad!=bc]

Prove that the equation x^(2)(a^(2)b^(2))+2x(ac+bd)+(c^(2)+d^(2))=0 has no real root if adnebc .

Prove that the equation x^(2)(a^(2)+b^(2))+2x(ac+bd)+(c^(2)+d^(2))=0 has no real root,if ad!=bc.

Prove that the equation x^2(a^2+b^2)+2x(a c+b d)+(c^2+d^2)=0 has no real root, if a d!=bc dot

Prove that the equation x^2(a^2+b^2)+2x(a c+b d)+(c^2+d^2)=0 has no real root, if a d!=b c .

If the equation (a^(2)+b^(2))x^(2)-2 (ac +bd)x+c^(2)+d^(2)=0 , has equal roots , then

Prove that the quadratic equation (a^2+b^2)x^2+2(ac+bd)x+(c^2+d^2)=0 has no real roots when ad!=bc .

If (a^(2)+b^(2))x^(2)+2(ab+bd)x+c^(2)+d^(2)=0 has real roots then

If the equation (a^2+b^2)x^2-2(ac+bd)x+(c^2+d^2)=0 has equal roots, then

The roots of the equation (a^(2)+b^(2))x^(2)-2(bc+ad)x+(c^(2)+d^(2))=0 are equal if

x^(2)+px+q=0 and x^(2)+rx+s=0 has real roots.If equation (a^(2)+b^(2))x^(2)+2(ac+bd)x+(c^(2)+d^(2))=0 has no real rots.Then prove that ad!=bc.6500 were divided equally among a certain number of persons.Had there been 15 more persons,