STRAIGHT LINES - NCERT
Example 5 Find the distance between the lines 3x + 4y = 9 and 6x + 8y = 15. Solution The equations of lines 3x + 4y = 9 and 6x + 8y = 15 may be rewritten as 3x + 4y – 9 = 0 and 3x + 4y 15 2 − = 0 Since, the slope of these lines are same and hence they are parallel to each other. Therefore, the distance between them is given by 2 2 15 9 2 3 ...
Line, Equations, Straight, Slope, Straight lines, Equations of lines
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