MixedMediumQuestion 260017
Question
If a⃗ = 2î − ĵ + 2k̂, then |a⃗| is:
- A3Correct
- B5
- C√5
- D9
Correct answer
3
Explanation
|a⃗| = √(4 + 1 + 4) = √9 = 3.
JEE Mathematics · Medium
Vectors: Mixed MCQ
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