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Normals at two point  and  of parabola  meet again on the parabola where  then  equals to

a)

b)

c)

d)

None of these



Question ID - 56690 | SaraNextGen Top Answer

Normals at two point  and  of parabola  meet again on the parabola where  then  equals to

a)

b)

c)

d)

None of these

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Normal at point meets the parabola at

(i)

Normal at point  meets the parabola at

     (ii)

From Eqs. (i) and (ii)

 

Now given that

 

 

127 votes


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