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  1. The distance between the lines y = mx + c1 and y = mx + c1 is
    1. c1 - c2
      √m² + 1
    2. c1 - c2
      √1 + m²
    3. c2 - c1
      √1 + m²
    4. 0
Correct Option: B

Let the distance between the lines be d

Also we know that
y – mx = c2


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