Vector u has its initial point at (21, 12) and its terminal point at (19, -8). Vector v has a direction opposite that of u, whos
e magnitude is five times the magnitude of v. Which is the correct form of vector v expressed as a linear combination of the unit vectors i and j?
1 answer:

<h2>
Explanation:</h2>
In this exercise, we have the following facts for the vector
:
- It has its initial point at
, let's call it
- It has its terminal point at
, let's call it 
Since the vector
goes from point
to
, then:

On the other hand, we have the following facts for the vector
:
- Vector
has a direction opposite that of
, - The magnitude of
is five times the magnitude of
.
So we can write this relationship as follows:

<h2>Learn more:</h2>
Length of vectors: brainly.com/question/12264340
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