Question

If ax² + bx + c = 0 has equal roots , then a = 



b²/4c

- b² / 4c

b / 2c

- b / 2c

​

Answer 1

${\red {{\bold{ \huge \dag }}\bold {\huge{{\mathcal {\underline{Answer}}}} \dag}}}$

As roots are equal

So,

${b}^{2} = 4ac \\ = > \boxed {\mathfrak{a = \frac{ {b}^{2} }{4c} }}$

HOPE THIS IS HELPFUL...