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24-01-2018
Mathematics

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Please help! This is about vectors. The answers are
A) -14i + 7j
B) -14i - 3j
C) -20i + 7j
D) -20i -3j

Please help This is about vectors The answers are A 14i 7j B 14i 3j C 20i 7j D 20i 3j class=

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24-01-2018

q(-3,-6) s(-3,0) x(6,5) & u(-8,8)
you just substitute each vector in its place
[tex]q - s - x + u = - 3i - 6j + 3i - 6i - 5j - 8i + 8j = - 14i - 3j[/tex]
it's B

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