Mathematical proof
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Use a scalar projection to prove that the distance from a point P1(x1,y1) to the line ax+by+c=0 is D=|ax1+by1+c| / √a2+b2
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sfiorello
sfiorello
Use a scalar projection to prove that the distance from a point P1(x1,y1) to the line ax+by+c=0 is D=|ax1+by1+c| / √a2+b2
