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NDA2012MathematicsThree Dimensional GeometryActual

What are the direction ratios of the line of intersection of the planes x=3 z+4 and y=2 z-3 ?

Options

  1. A1,2,3
  2. B2,1,3
  3. C3,2,1
  4. D1,3,2

Correct answer

C. 3,2,1

Step-by-step solution

array ll & x=3 z+4 and & y=2 z-3 array x-4 3 =z and y+3 2 =z x-4 3 = y+3 2 = z 1 Direction ratios are proportional to 3,2,1 .

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