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Parabola
General
Grade 11

Question:

If (2,–8) is one end of a focal chord of the parabola y<span class="math-inline">^2</span> = 32x, then the other end of the focal chord, is-
32,32
32,–32
–2,8
2,8

Step-by-Step Solution

Key Concept: General
e = \frac{\sqrt{5-1}}{2} \text{ (taking positive sign)}
Correct Answer: √(5-1)/2

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