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Find the co-ordinates of the focus, vertex, equation of the directrix, axis and the length of latus rectum of the parabola y2 = 20x - Business Mathematics and Statistics

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प्रश्न

Find the co-ordinates of the focus, vertex, equation of the directrix, axis and the length of latus rectum of the parabola

y2 = 20x

योग

उत्तर

y2 = 20x

y2 = 4(5)x

∴ a = 5

Vertex (0, 0) (0, 0)
Focus (a, 0) (5, 0)
Axis x-axis y = 0
Directrix x + a = 0 x + 5 = 0
Length of Latus rectum 4a 20
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अध्याय 3: Analytical Geometry - Exercise 3.6 [पृष्ठ ७१]

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सामाचीर कलवी Business Mathematics and Statistics [English] Class 11 TN Board
अध्याय 3 Analytical Geometry
Exercise 3.6 | Q 4. (a) | पृष्ठ ७१
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