anonymous
  • anonymous
let vector OP = 2i + 3j and vector OQ = -6i+4j. R is a point on vector PQ such that PR/RQ = k/1, where k>0. a/ express vector OR in terms of k, i and j. b/ express (vector OP)dot(vector OR) and (vector OQ)dot(vector OR) in terms of k. c/ Find the value of k such that OR bisects angle POQ.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
a. OR= OP +PR
anonymous
  • anonymous
where PR=k * RQ
anonymous
  • anonymous
Coordinates of Q can be found by section formula

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anonymous
  • anonymous
i dont understand
anonymous
  • anonymous
which part?
anonymous
  • anonymous
should i find RQ in terms of k first ?
anonymous
  • anonymous
yes
anonymous
  • anonymous
RQ= (8k/k+1, -k/k+1)
anonymous
  • anonymous
got it??
anonymous
  • anonymous
can you show the step
anonymous
  • anonymous
FIND R by section formula
anonymous
  • anonymous
because i got (-4/1+k, 7/1+k)
anonymous
  • anonymous
no, i think u made a mistake in doing the section formula...

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