If the three normals drawn to the parabola, $y ^ { 2 } = 2 x$ pass through the point $( a , 0 ) , a \neq 0$, then $a$ must be greater than : (1) $\frac { 1 } { 2 }$ (2) $- \frac { 1 } { 2 }$ (3) - 1 (4) 1
If the three normals drawn to the parabola, $y ^ { 2 } = 2 x$ pass through the point $( a , 0 ) , a \neq 0$, then $a$ must be greater than :\\
(1) $\frac { 1 } { 2 }$\\
(2) $- \frac { 1 } { 2 }$\\
(3) - 1\\
(4) 1