1.1.14 Suppose the twelve vectors start from 6:00 at the bottom instead of (0,0) at the center

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Problem 1.1.14 From Gilbert Strang's Introduction to Linear Algebra fourth edition. Chapter 1 - introduction to vectors - vectors and linear combinations.
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Suppose the twelve vectors start from 6:00 at the bottom instead of (0,0) at the
center. The vector to 12:00 is doubled to (0,2). Add the new twelve vectors.
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was really struggling to understand, then saw your video. thanks for the clear explanation!

EhsanulKarim-dnfb
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Should it be root 2 instead of 1 due to Pythagoras theorem. 3:00 and 6:00 would make a 90 degree no?

MrShrom