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If normals at the ends of the double ordinate x = 4 of parabola y^2 = 4x meet the curve again in P and P′

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in Parabola by (54.4k points)

If normals at the ends of the double ordinate x = 4 of parabola y2 = 4x meet the curve again in P and P′ respectively, then P P′ =

a. 10

b. 6

c. 12

d. 18

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1 Answer

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by (55.9k points)

Correct option is c. 12

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