Equal graphs polar and rectangular

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karush
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View attachment 5483

I couldn't get equal graphs one plot 4 leafs the other 2
 
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You need to square again so that you don't have an odd power of $r$ (can you explain why an odd power is a problem?):

$$(x^2+y^2)^3=(10xy)^2$$
 
Not real sure on this one but negative powers return the same sign apparently we needed all signs to be positive. Not sure how this generated the 2 other needed leafs

But I would have never seen this without MSB.