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COMEDK2014MathematicsThree Dimensional Geometry

Find the distance of a point (1,2,3) from the plane 3 y+4 z+4=0 .

Options

  1. A4.4
  2. B4
  3. C4.04
  4. D4.44

Correct answer

A. 4.4

Step-by-step solution

Perpendicular distance of point (1,2,3) from plane 3 y+4 z+4=0 = | 3(2)+4(3)+4 (3)²+(4)² |= | 6+16 5 |= | 22 5 |=4.4

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