1. Tardigrade
  2. Question
  3. Mathematics
  4. If tangents drawn from each point on the line 3 x+4 y-11=0 upon a parabola are at right angle and chords joining points of contact on parabola for each point on line 3 x+4 y-11=0 pass through a fixed point (2,5) then length of latus rectum of parabola is equal to

Q. If tangents drawn from each point on the line upon a parabola are at right angle and chords joining points of contact on parabola for each point on line pass through a fixed point then length of latus rectum of parabola is equal to

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Solution:

Clearly must be directrix and(2,5) must be focus of P.B.
Length of (distance between focus of directrix)