JEE Main 2025 Mathematics question
If the equation of the parabola with vertex and the directrix x + 2y = 0 is , then is equal to :
Answer: (4)
Solution
Focus = (3,6). Using PS² = PM² gives , so α=4, β=1, γ=4, sum=9.
If the equation of the parabola with vertex and the directrix x + 2y = 0 is , then is equal to :
Focus = (3,6). Using PS² = PM² gives , so α=4, β=1, γ=4, sum=9.