Respuesta :

Answer:

5sqrt(2)

Step-by-step explanation:

Z - Y

-i+5j+3k - (-6i+2j-k)

-i + 6i + 5j - 2j + 3k + k

5i + 3j + 4k

Magnitude:

sqrt(5² + 3² + 4²)

sqrt(50)

5sqrt(2)

Answer is

B = 5sqrt(2)