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AP EAMCET20225 Jul 2022Evening ShiftMathematicsParabolaActual

The distance of the point (6,4 3 ) from the focus of y^2=8 x is

Options

  1. A64
  2. B4
  3. C8
  4. D2

Correct answer

C. 8

Step-by-step solution

For y^2=8 x (y^2=4 a x ) Focus is (a, 0) (2,0) distance of (6,4 3 ) from (2,0)= (6-2)^2+(4 3 )^2 = 16+48 aligned & = 64 & =8 aligned

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