HW 1 Solutions

# HW 1 Solutions - Math E-21a Fall 2009 HW#1 Solutions...

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Math E-21a – Fall 2009 – HW #1 Solutions Section 9.1 :

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Section 9.2 :
Extra Challenge Problem : This one’s not so easy unless you look at it in a good way. I recommend following the route from one vertex to the midpoint of one side, then to a point one-third of the way along the median from there. Then do the same along the adjacent side starting at the same vertex. Then show that these two resultant vectors are actually the same vector. This will establish that the location where the medians intersect is as stated in the problem. As with the previous exercise, you can use any convenient labeling scheme for either the vertices
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HW 1 Solutions - Math E-21a Fall 2009 HW#1 Solutions...

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