If `a ,b` are complex numbers and one of the roots of the equation `x^2+a x+b=0` is purely real, whereas the other is purely imaginary, prove that `a^2- a^-2=4b`.

If a ,b are complex numbers and one of the roots of the equation x^2+a x+b=0 is purely real, whereas the other is purely imaginary, prove that a^2- (bar a)^2=4b .

If a ,b are complex numbers and one of the roots of the equation x^2+a x+b=0 is purely real, whereas the other is purely imaginary, prove that a^2- (bar a)^2=4b .

If a,b are complex numbers and one of the roots of the equation x^(2)+ax+b=0 is purely real,wheres the other is purely imaginary,prove that a^(2)-a^(-2)=4b

If a and b are complex and one of the roots of the equation x^(2) + ax + b =0 is purely real whereas the other is purely imaginary, then

If a and b are complex and one of the roots of the equation x^(2) + ax + b =0 is purely real whereas the other is purely imaginary, then

If a , b are complex numbers and one of the roots of the equation x^(2)+ax+b=0 is purely real whereas the other is purely imaginery, and a^(2)-bara^(2)=kb , then k is

If a , b are complex numbers and one of the roots of the equation x^(2)+ax+b=0 is purely real whereas the other is purely imaginery, and a^(2)-bara^(2)=kb , then k is

If a , b are complex numbers and one of the roots of the equation x^(2)+ax+b=0 is purely real whereas the other is purely imaginery, and a^(2)-bara^(2)=kb , then k is

If one of the roots of the equation a(b-c)x^(2)+b(c-a)x+c(a-b)=0 is 1, the other root is

if one of the root of the equation a(b-c)x^(2)+b(c-a)x+c(a-b)=0 is 1,the other root is