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Question: tagency points

Question:tagency points

Jean Jacques 148
plot graph
January 19 2006
0
Hello experts! I have the following problem. Considering the graphic: with(plots) p1:= contourplot( x*y, x=0..10, y=0..20, contours=20); p2:= contourplot((10-x)*(20-y)^2,, contours=20); display(p1,p2); How could I draw the line containing (all) the tangency points (of the curves of p1 and p2)? It would be possible to do that with Maple? Thanks in advance for your help, Jean Jacques.
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