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NDA2011MathematicsThree Dimensional GeometryActual

What is the acute angle between the planes x+y+2 z=3 and -2 x+y-z=11 ?

Options

  1. A/ 5
  2. B/ 4
  3. C/ 6
  4. D/ 3

Correct answer

D. / 3

Step-by-step solution

The correct answer is option (D).

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