anonymous
  • anonymous
please helpp... question in comments
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
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anonymous
  • anonymous
@phi
phi
  • phi
An equation for a line using vectors uses this idea: we have a "direction vector" that we can "travel along" in the direction of the line. To find this direction vector, define B-A (this will give you a vector that points in the correct direction) then add a "starting point" A P= A + t(B-A) where t is a scalar that lets us move along the line. Use the definitions of vector A and B in that expression.

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anonymous
  • anonymous
its okay for part (i) what for second part ?
phi
  • phi
the vector P (tail at the origin, head at point P) is perpendicular to the "direction vector" B-A
phi
  • phi
can you figure it out or do you want more info?

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