If the equations `x^2-3x+4=0` and `x(b-3x)+2x+a=0` have a common root then the absolute value of `(a - b)` is equal to

If the equations 2x^(2)+kx-5=0 and x^(2)-3x-4=0 have a common root,then the value of k is

For a ne b, if the equation x ^(2) + ax + b =0 and x ^(2) + bx + a =0 have a common root, then the value of a + b equals to:

If the equation x^(3)+k x^(2)+3=0 and x^(2)+k x+3=0 have a common root, then the value k .

If equations x^2-5x+5=0 and x^3+ax^2+bx+5=0 have common root then a+b=

If the equations x^(2) + 2x -3=0 and x^(2) + 3x-m=0 have a common root, then the non- zero value of m.

Ifc^(2)=4d and the two equations x^(2)-ax+b=0 and x^(2)-cx+d=0 have a common root,then the value of 2(b+d) is equal to 0 ,have one

If the equations x^(2)+a x+b=0 and x^(2)+b x+a=0(a ne b) have a common root, then a+b=