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Show that the lines vec r=( hat i+ hat ...

Show that the lines ` vec r=( hat i+ hat j- hat k)+lambda(3 hat i- hat j)a n d vec r=(4 hat i- hat k)+mu(2 hat i+3 hat k)` are coplanar. Also, find the plane containing these two lines.

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To show that the lines given by the equations \[ \vec{r} = (\hat{i} + \hat{j} - \hat{k}) + \lambda(3\hat{i} - \hat{j}) \] and ...
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