The points on the axis of the parabola \( x^{2}+2 x+4 y+13= \) 0 from the where three distinct n... VIDEO
The points on the axis of the parabola \( x^{2}+2 x+4 y+13= \) 0 from the where three distinct normals can be drawn are given by
(a) \( (-1, k), k \in(-1,2) \)
(b) \( (-1,6) \)
(c) \( (-1, k), k \in(-\infty,-5) \)
(d) \( (-1,1) \)
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