If on a given base BC [B(0, 0) and C(2,0)], a triangle is described such that the sum of the tangents of the base angles is 4, then the equation of the locus of the opposite vertex A is a parabola whose directrix is, y = k. The value of k is
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
answer is 2.125.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Given tanα⋅tanβ=4or yx+y2−x=4or y=2x(2−x)or −y2=x2−2x=(x−1)2−1or (x−1)2=−12(y−2)Directrix : y−2=18 or y=178