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Given vectors [tex]$u = \langle -3, 7 \rangle$[/tex] and [tex][tex]$v = \langle 5, 3 \rangle$[/tex][/tex], find the sum [tex]$u + v$[/tex] and write the result in component form.

Answer: [tex]\langle \square, \square \rangle[/tex]


Sagot :

To find the sum of the vectors [tex]\( u \)[/tex] and [tex]\( v \)[/tex], we will use vector addition. When adding vectors, we add their corresponding components.

First, let's identify the components of each vector:
- Vector [tex]\( u \)[/tex] has components [tex]\( u_1 = -3 \)[/tex] and [tex]\( u_2 = 7 \)[/tex].
- Vector [tex]\( v \)[/tex] has components [tex]\( v_1 = 5 \)[/tex] and [tex]\( v_2 = 3 \)[/tex].

To find the sum [tex]\( u + v \)[/tex], we add the corresponding components of the vectors:
- The first component of the sum is given by [tex]\( u_1 + v_1 \)[/tex]:
[tex]\[ -3 + 5 \][/tex]
- The second component of the sum is given by [tex]\( u_2 + v_2 \)[/tex]:
[tex]\[ 7 + 3 \][/tex]

Performing the addition, we get:

- For the first component:
[tex]\[ -3 + 5 = 2 \][/tex]
- For the second component:
[tex]\[ 7 + 3 = 10 \][/tex]

Therefore, the sum of the vectors [tex]\( u \)[/tex] and [tex]\( v \)[/tex] is:
[tex]\[ u + v = \langle 2, 10 \rangle \][/tex]

The result in component form is [tex]\(\boxed{2}\)[/tex] , [tex]\(\boxed{10}\)[/tex].