If the sum of the roots of the equation $\frac{x^2-b x}{a x-c}=\frac{k-1}{k+1}$, then the value of $

Question

If the sum of the roots of the equation $\frac{x^2-b x}{a x-c}=\frac{k-1}{k+1}$, then the value of $k$ is

Professor PC Thomas Classes · Answer

Equating the sum of roots leads to $k = \frac{a+b}{a-b}$.