Question

If the roots of the equation (a² + b²)x² - 2(ac + bd)x + (c² + d²) = 0 are equal, prove that a/b = c/d

Answer 1

It is given that the roots of the equation (a² + b²)x² - 2(ac + bd)x + (c² + d²) = 0 are equal

∴ D = 0

Hence proved.