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AP EAMCET202422 May 2024Morning ShiftMathematicsThree Dimensional GeometryActual

If the perpendicular distance from (1,2,4) to the plane 2 x+2 y-z+k=0 is 3 , then k=

Options

  1. A4
  2. B7
  3. C9
  4. D19

Correct answer

B. 7

Step-by-step solution

aligned & 2 x+2 y-z+k=0, P(1,2,4) & p= | 2(1)+(2)(2)-(4)+k 4+4+1 | 3= | 2+k 3 | k=7 . aligned

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