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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Three Dimensional Geometry

NDA 2011 · Mathematics · Three Dimensional Geometry

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

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

Options

  1. Aπ/5\pi / 5
  2. Bπ/4\pi / 4
  3. Cπ/6\pi / 6
  4. Dπ/3\pi / 3

Correct answer

D. π/3\pi / 3

Step-by-step solution

The correct answer is option (D).
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