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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Vector Algebra

NDA 2011 · Mathematics · Vector Algebra

If x i +y j +z k is a unit vector and x: y: z= 3 : 2: 3 , then what...

If xi^+yj^+zk^x \hat{i}+y \hat{j}+z \hat{k} is a unit vector and x:y:z=3:2:3x: y: z=\sqrt{3}: 2: 3, then what is the value of zz ?

Options

  1. A316\frac{3}{16}
  2. B3
  3. C34\frac{3}{4}
  4. D2

Correct answer

C. 34\frac{3}{4}

Step-by-step solution

The correct answer is option (C).
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