Let H be the hyperbola, whose foci are $(1 \pm \sqrt{2}, 0)$ and eccentricity is $\sqrt{2}$. Then the length of its latus rectum is: (1) 3 (2) $\frac{5}{2}$ (3) 2 (4) $\frac{3}{2}$
Let H be the hyperbola, whose foci are $(1 \pm \sqrt{2}, 0)$ and eccentricity is $\sqrt{2}$. Then the length of its latus rectum is:\\
(1) 3\\
(2) $\frac{5}{2}$\\
(3) 2\\
(4) $\frac{3}{2}$