Question

If the equation
$(1 + m {}^{2})x {}^{2} + 2mcx + (c {}^{2} - a {}^{2}) = 0$
has equal roots , then prove that
$c {}^{2} = a {}^{2} (1 + m {}^{2})$
Please answer this question fastly.​

Answer 1

please check the image and please follow me

and Hope this will help you