Distance between the lines 5x + 3y – 7 = 0 and 15x + 9y + 14 = 0 is
The given lines can be written as
5x + 3y − 7 = 0 … (1)
……(2)
Let d be the distance between the lines 5x + 3y − 7 = 0 and 15x + 9y + 14 = 0
Then, d