anonymous
  • anonymous
(vector proves) HOW TO DO THIS HELP PLZZZ http://puu.sh/4cDR1.png
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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blockcolder
  • blockcolder
Position C so that it lies on the origin, and the segment CB lies on the x-axis. Let the coordinates of A be \((a_1, a_2\)), and the coordinates of B \((b_1,0)\). If we let D and E be the midpoints of CA and AB, respectively, what are the coordinates of D and E?
anonymous
  • anonymous
can you draw it please?
blockcolder
  • blockcolder
|dw:1377652819524:dw|

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anonymous
  • anonymous
you have to prove using vectors
blockcolder
  • blockcolder
Well, the vector from P\((x_1,y_1)\) to Q\((x_2,y_2)\) is \(\vec{PQ}=\left\), right?

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