Two straight lines are specified by y=a+cx and y=b+cx, respectively, where b≥a. What’s the distance d between them in terms of a, b and c?
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Solution
The distance d=(b-a)/√(c2+1).

Two straight lines are specified by y=a+cx and y=b+cx, respectively, where b≥a. What’s the distance d between them in terms of a, b and c?
Scroll down for a solution to this problem.
The distance d=(b-a)/√(c2+1).