If `alpha` and `beta` are the roots of `x^2+bx+c=0` and `alpha+k` and `beta+k` are the roots of `x^2+qx+r=0` then `k=`

IF alpha , beta are the roots of x^2+bx +c=0 and alpha + h, beta +h are the roots of x^2+qx +r=0 then h=

If alpha. beta are the roots of x^2 +bx+c=0 and alpha + h, beta + h are the roots of x^2 + qx +r=0 then 2h=

If alpha , beta are the roots of a ^2 x + bx +c=0 and alpha + h+ beta + h are the roots of px^2+qx +r=0 then h=

If alpha" and "beta are the roots of ax^(2)+bx+c=0 and alpha+k, beta+k are the roots of px^(2)+qx+r=0 , then (b^(2)-4ac)/(q^(2)-4pr)=

If alpha, beta are the roots of x^(2) + bx + c = 0 and, alpha +h, beta+h are the roots of x^(2) + qx +r = 0 then h =