Show that the lines are 3x+2y+9=0 and 15x+10+1=0 parallel lines.
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Step-by-step explanation:
Let lines be l1=5x−2y−1=0
l2=5x−2y−9=0
l3=5x−2y+7=0
Slope of l1=5/2
Slope of l2=5/2
Slope of l3=5/2
dist. b/w l1&l2=25+41−9+11=298
dist b/w l1&l3=25+41−1−71=298
Hence l1 is mid parallel to l2&l3.
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