CBSE Class 11-science Answered
The focus (4,0) lies on the x axis, the axis of the parabola is the x axis. The equation of the parabola is either y2 = 4ax or y2 = -4ax. Since the directix is x = -4, the parabola is of the form y2 = 4ax, where a = 4.
Equation of the parabola is y2 = 16x
y2 = 16x.
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ParabolaThis video explains the definition of parabola and related terms.