Define which is a homothety with ratio 3, center of homothety (0,0,0)
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Define the plane oxz
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Define which is a glide-reflection with as the plane of reflection and as the vector of translation
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Define as a screw-displacement with as the rotational axis and as a vector of translation
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Compute which is the product of
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Compute the inverse of
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Compute the product of ; one can quickly recognize that this is an identity transformation
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Simple check
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Hence, the two objects are the same