Question 1180105
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{{{(dx)/(dt)}}} = a.


{{{(dy)/(dt)}}} = b.


          THEREFORE


{{{(dy)/(dx)}}} = {{{(((dy)/(dt))) / (((dx)/(dt)))}}} = {{{b/a}}}.    <U>ANSWER</U>



Notice that the answer does not depend on the value of "t".

It is the same for any value of "t"; in particular, for t = -1.
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Solved, answered and explained. And completed.