" If "1" is a root of equations "ay^(2)+ay+3=0" and "y^(2)+y+b=0," then ab equals "

If 1 is a root of the equation ay^(2)+ay+3=0" and "y^(2)+y+b=0 then find the value of ab.

If 1 is a common root of the equations ay^(2)+ay+3=0 and y^(2)+y+b=0, then find the value of ab.

If 1 is a common root of the equations ay^2+ay+3=0 and y^2+y+b=0 ,then find the value of ab.

If the system of equations, a^(2) x - ay = 1 - a and bx + (3-2b) y = 3 + a possess a unique solution x = 1 , y = 1 , then

If one root of the equation 2y^(2)-ay+64=0 is twice the other then find the values of a.

If x^2+y^2=2 and y^11+A.y^(-3)=0 then A =

Equation of the circle on the common chord of the circles x ^(2) + y ^(2) -ax =0 and x ^(2) + y ^(2) - ay =0 as a diameter is