given P(-1,1,2), Q(-3,0,4), R(3,2,1), find an equation of the line through P that is parallel to the line through Q and R.(adsbygoogle = window.adsbygoogle || []).push({});

All the words after the given three points really confuse me and I just need some help on where to start to tackle this problem.

Thanks

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# I 1st year linear algebra question

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