Dany jest punkt (-5,-2) i prosta o równaniu y=3x+1. Oblicz odległość punktu od prostej.
3x-1y+1 = 0
{|3*(-5)-1*(-2)+1|} / {3^{2}+(-1)^{2} =
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3x-1y+1 = 0
{|3*(-5)-1*(-2)+1|} / {3^{2}+(-1)^{2} =