Asked by ann
write an indirect proof to prove that if there is a line and a point not on a line, then exactly one plane contains them
Answers
Answered by
Damon
Maybe point (a,b,c)
line like z = m x + n y + k
find vector along line
find vector from point to random spot on line
do cross product, show independent of spot chosen on line. That cross product is perpendicular to the plane containing the two lines
line like z = m x + n y + k
find vector along line
find vector from point to random spot on line
do cross product, show independent of spot chosen on line. That cross product is perpendicular to the plane containing the two lines
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