हल कीजिये: `x^(2)-(2b-1)x+(b^(2)-b-20)=0`

Solve each of the following quadratic equations: x^(2)-(2b-1)x+(b^(2)-b-20)=0

find the roots of the following equation by applying the quadratic formula x^2-(2b-1)x+(b^2-b-20)=0

find the roots of the following equation by applying the quadratic formula x^2-(2b-1)x+(b^2-b-20)=0

Let a,b in N,a!=b and the two quadratic equations (a-1)x^(2)-(a^(2)+2)x+a^(2)+2a=0 and (b-1)x^(2)-(b^(2)+2)x+(b^(2)+2b)=0 have a common root.The value of ab is

Solve the following quatratic equation : a^(2)b^(2)x^(2)+b^(2)x-a^(2)x-1=0

Find the roots of the quadratic equation: a^(2)b^(2)x^(2)+b^(2)x-a^(2)x-1=0

Solve for :a^(2)b^(2)x^(2)+b^(2)x-a^(2)x-1=0

The lines a_(1)x + b_(1)y + c_(1) = 0 and a_(2)x + b_(2)y + c_(2) = 0 are perpendicular to each other, then.............. A) a_(1)b_(2)-b_(1)a_(2) =0 B) a_(1)a_(2) +b_(1)b_(2)=0 C) a_(1)^(2) b_(2) +b_(1)^(2)a_(2)=0 D) a_(1)b_(1) +a_(2)b_(2)=0