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December 10th, 2015, 01:24 PM  #1 
Newbie Joined: Oct 2007 From: Israel Posts: 11 Thanks: 0  A school question in vectors with a pyramid
Hi, I need help with the following problem: In the attached image, ABCDS is a pyramid whose base is a parallelogram. O is the intersection of the parallelogram diagonals. The following holds:
Where k and t are real numbers and SF, SD, SE and SO are vectors in space. The problem is to express t using k. 

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pyramid, question, school, vectors 
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