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Straight Lines! If I want to find out the distance between two points A and B by using parameteric form, if the point of reference(x1 in x1 plus minus rcos($),y1 in y1 plus minus rsin($)) and solve the quadratic in r and then difference of roots will give me AB. What if x1,y1 lies in between A and B? How can this give me my answer?

Straight Lines!
If I want to find out the distance between two points A and B by using parameteric form,
if the point of reference(x1 in x1 plus minus rcos($),y1 in y1 plus minus rsin($)) and solve the quadratic in r and then difference of roots will give me AB.
What if x1,y1 lies in between A and B?
How can this give me my answer?
 

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1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

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