If the locus of the circumcentre of a variable triangle having sides y–axis, y = 2 and l…
Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry
If the locus of the circumcentre of a variable triangle having sides y–axis, y = 2 and lx + my = 1, where (l,m) lies on the parabola y2 = 4ax is a curve C, then
The length of smallest focal chord of this curve C is :
- \(\frac{1}{12 a}\)
- \(\frac{1}{4 a}\)
- \(\frac{1}{16 a}\)
- \(\frac{1}{8 a}\)
Answer
(D) 1 8 a
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