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NDA 2014
Exam
NDA
Year
2014
Subject
Mathematics
Chapter
Three Dimensional Geometry

NDA 2014 · Mathematics · Three Dimensional Geometry

A line passes through the points (6,-7,-1) and (2,-3,1) . What are...

A line passes through the points (6,−7,−1)(6,-7,-1) and (2,−3,1)(2,-3,1). What are the direction ratios of the line?

Options

  1. A⟨4,−4,2⟩\langle 4,-4,2\rangle
  2. B⟨4,4,2⟩\langle 4,4,2\rangle
  3. C⟨−4,4,2⟩\langle-4,4,2\rangle
  4. D⟨2,1,1⟩\langle 2,1,1\rangle

Correct answer

C. ⟨−4,4,2⟩\langle-4,4,2\rangle

Step-by-step solution

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