If the equations `x^2+ax+b=0` and `x^2+bx+a=0` have one common root. Then find the numerical value of a+b.

If the quadratic equation x^(2) +ax +b =0 and x^(2) +bx +a =0 (a ne b) have a common root, the find the numeical value of a +b.

If the equations 2x^(2)-7x+1=0 and ax^(2)+bx+2=0 have a common root, then

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

If the equations ax^(2)+bx+C=0 and x^(2)+2x+4=0 have a common root then find a:b:c

If the equations 2x^(2)7x+1=0 and ax^(2)+bx+2=0 have a common root,then

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