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JEE Main2005MathematicsThree Dimensional GeometryActual

The angle between the lines 2 x=3 y=-z and 6 x=-y=-4 z is

Options

  1. A0^0
  2. B90^0
  3. C45^0
  4. D30^0

Correct answer

B. 90^0

Step-by-step solution

Angle between the lines 2 x=3 y=-z & 6 x=-y=-4 z is 90^ Since a₁ a₂+b₁ b₂+c₁ c₂=0

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