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OpenStudy (anonymous):
Let u = <-3, 4>, v = <8, 2>. Find u + v. is it 5,6?
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OpenStudy (anonymous):
yes :) just add them
OpenStudy (anonymous):
@Data_LG2 Let u = <3, -1>, v = <-6, -6>. Find 9u + 2v 15,-21?
OpenStudy (anonymous):
yesh ! (^_^)
OpenStudy (anonymous):
@Data_LG2 Find a ⋅ b. a = 4i - 4j, b = 4i + 5j
OpenStudy (anonymous):
4i+4i- 4j+ 5j 8i+j
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OpenStudy (anonymous):
so 8,1?
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