Question

ii) If v; = 3i+4j+k and v2 =i-j-î,
determine the magnitude of V, +V2.
[Ans: 5]​

Answer 1

Answer:

5

Explanation:

v1 = 3i + 4j + k

v2 = i - j - k

v1 + v2 = 3i + 4j + k + i - j - k

= 4i + 3j

|v1 + v2| = √(4² + 3²)

= √25

= 5