If a = 3i + 4j, then |a| equals:
If a = 3i + 4j, then |a| equals:
- A. 5
- B. 7
- C. 25
- D. 1
Answer: A) 5
Explanation: |a| = √(3² + 4²) = 5.
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If a = 3i + 4j, then |a| equals:
Answer: A) 5
Explanation: |a| = √(3² + 4²) = 5.
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