Symbol
Problem
$11$ The quadratic equation whose roots $AFQ$ $\left($ & 'm' $xhe\pi e1=$ $θ^{l}→0$ $3sinθ$ - $4sin^{3}0$ $an$ e $4$ $\dfrac {2tanθ} {1-tan^{2}θ\right)}$ $0\left($ is $m=θ→0\square$ $1\right)x^{2}+5x+6=0$ $2\right)$ $x^{2}-5x+6=0$ $3\right)$ $x^{2}-5x-6=0$ $4\right)$ $x^{2}+5x-6=0$