Q: If the focus of a parabola is at (0,–3) and directrix is y=3, then its equation is: यदि किसी परवलय की नाभि (0,–3) और उसकी नियता y=3 हो तो उस परवलय का समीकरण है–
A.
x²= –12y
B.
x²=12y
C.
y²= –12x
D.
y²=12x
Correct Answer:
Option A -
Explanations:
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