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Stolb23 [73]
3 years ago
15

If u = <-4, 8> and v = <-7, 5>, what is ||v − 5u|| ?

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
3 0

Answer:

  √1394

Step-by-step explanation:

The resultant vector is the specified sum of the component vectors.

  v - 5u = <-7-5(-4), 5-5·8> = <13, -35>

The magnitude of the result is the root of the sum of the squares of the components.

  ║v -5u║ = √(13² +(-35)²) = √1394

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