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BITSAT Mathematics Parabola 2020 BITSAT 2020

BITSAT Mathematics Question (2020) — Solution

Question

The length of the latus rectum of the parabola which has focus at (-1,1) and the directrix is 4 x +3 y-24=0 is

Options

  1. A. 4
  2. B. 6
  3. C. 8
  4. D. 10

Answer

D. 10

Step-by-step solution

Length of latus rectum =2 distance of focus from directrix =2 |1-4+3-24| 5 =10

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