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For what value of \(m\) are the vector \(2\hat{i}−3\hat{j}+4\hat{k},\hat{i}+2\hat{j}−\hat{k}\) and \(m\hat{i}−\hat{j}+2\…

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For what value of \(m\) are the vector \(2\hat{i}−3\hat{j}+4\hat{k},\hat{i}+2\hat{j}−\hat{k}\) and \(m\hat{i}−\hat{j}+2\hat{k}\) are coplanar?

a

0

b

5/3

c

1

d

8/5

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