If a = i + 2j + 2k, then |a| equals:
If a = i + 2j + 2k, then |a| equals:
- A. 3
- B. 2
- C. √5
- D. 5
Answer: A) 3
Explanation: √(1+4+4)=3.
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If a = i + 2j + 2k, then |a| equals:
Answer: A) 3
Explanation: √(1+4+4)=3.
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