Respuesta :

mahahoor29427

Answer:

convert into components:

u=3i-2j  

v=7i+5j

Step-by-step explanation:

so now we starting the question by multiplying to both vectors.

u*v  = (3i * 7i) - (2j * 5j)

since i^2=1 and j^2=1

so,

u*v = 21 - 10

u*v = 11

i'm pretty sure!

Thank you!

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