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AP EAMCET2001MathematicsParabola

The length of latusrectum of parabola y^2+8 x-2 y+17=0 is

Options

  1. A2
  2. B4
  3. C8
  4. D16

Correct answer

C. 8

Step-by-step solution

The given equation of the parabola is array ll & y^3+8 x-2 y+17=0 & (y-1)^2+8 x+16=0 & (y-1)^2=-8(x+2) array Length of the latusrectum =4 a=8

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