Multiple choice

Which one of the following describes the relationship among the three vectors, $\hat{i}+\hat{j}+\hat{k},2\hat{i}+3\hat{j}+\hat{k}\hspace{0.2cm}and\hspace{0.2cm} 5\hat{i}+6\hat{j}+4\hat{k}$?

  1. The vectors are mutually perpendicular.

  2. The vectors are linearly dependent.

  3. The vectors are linearly independent.

  4. The vectors are unit vectors.
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B Correct answer
Explanation

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