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so couldn't read the previous tutors question sadly. probably threw it into a equation graphic. I CAN'T READ GRAPHICS LIKE THAT since I am blind. So here is the question again:
, a with right arrow above = 5b where Bβƒ— = 8 i^βˆ’ 8 j^

Respuesta :

Micha7severide

Answer:

1. A =3i - 9j

B = -4i + 2j

A.B = -12 - 18 = -30

2. A = 5i + 5j

B = 2i - 4j

A.B = 10 - 20 = -10

3. A = 8i + 4j

B = 41 - 8j

A.B = 32 - 32 = 0

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