let and be lines in , and the reflection of is the mapping of to defined by where is the unit normal to and is any point on

Show that two distinct reflections and commute if and only if .

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- Sep 9th 2010, 06:49 AMxanthochromeprove that distinct reflections commute iff...
let and be lines in , and the reflection of is the mapping of to defined by where is the unit normal to and is any point on

Show that two distinct reflections and commute if and only if . - Sep 9th 2010, 09:36 AMxanthochrome
I solved it, so never mind. This can be deleted, if a moderator would be willing.