Binomial Theorem

Question
CBSEENMA11015148

Find the coordinates of vertex, focus, equations of axis, tangent at vertex, directrix, latus rectum of the following equation:
straight x squared plus 9 straight y equals 0

Solution

Solution not provided.
Ans. Vertex - (0, 0)
       Focus -space space open parentheses 0 comma space minus 9 over 4 close parentheses
       Axis - (x = 0)
       Tangent at vertex - (y = 0)
       directrix - straight y minus 9 over 4 equals 0 space or space 4 straight y minus 9 equals 0
       latus rectum - (9)

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