Question

The discriminant of the given quadratic equation
$3x^2+2x-1=0$ is

Answer 1

$3x^2+2x-1=0$

$\Rightarrow$ Here, $a=3,b=2,c=-1$

$\Rightarrow$ $D=b^2-4ac$

$=(2{)}^2-4(3\left)\right(-1)$

$=4+12$

$=16$

$\therefore$ Discriminant $=16$