If the length of the chord of the circle, $x^2 + y^2 = r^2$ $(r > 0)$ along the line, $y - 2x = 3$ is $r$, then $r^2$ is equal to: (1) $\frac{9}{5}$ (2) 12 (3) $\frac{24}{5}$ (4) $\frac{12}{5}$
If the length of the chord of the circle, $x^2 + y^2 = r^2$ $(r > 0)$ along the line, $y - 2x = 3$ is $r$, then $r^2$ is equal to:\\
(1) $\frac{9}{5}$\\
(2) 12\\
(3) $\frac{24}{5}$\\
(4) $\frac{12}{5}$