michellekout03 michellekout03

12-03-2022
Mathematics

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answer urgent please!!

answer urgent please class=

Respuesta :

Аноним Аноним

12-03-2022

Answer:

15

Step-by-step explanation:

[tex]u=5i-j\\\\v=3i+j\\\\w=i+4j\\[/tex]

[tex]v+w[/tex]

[tex]3i+j+i+4j\\\\4i+5j\\\\u*(v+w)\\\\(5i-j)(4i+5j)\\\\20-5\\\\\boxed{15}[/tex]

~

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