1.

If v1-=3i^+4j^+k^&v2-=i^-j^-k^detarmine the magnitude ofv1-+v2-

Answer»

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



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