Question 12
Vectors and TransformationsIf a = 3i + 4j, find the magnitude of a
- A.1
- B.7
- C.25
- D.5
Show the answer and explanation
Answer: D (5)
Explanation
|a| = √(3² + 4²) = √25 = 5.
If a = 3i + 4j, find the magnitude of a
Answer: D (5)
|a| = √(3² + 4²) = √25 = 5.