If one root is common is equations `x^(2)-ax+b=0 and x^(2 ) +bx-a=0 `, then :

If x = 1 is a common root of the equations ax^(2) + ax + 3 = 0 and x^(2) + x + b = 0 , then ab =

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 x=1 is a common root of equations ax^2+ax+3=0 and x^2+x+b=0 then ab=

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

Find the condition that quadratic equations x^(2)+ax+b=0 and x^(2)+bx+a=0 may have a common root.

The common root of the equation x^(2) - bx + c = 0 and x^(2) + b x - a= 0 is ………..

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