view tmflry/@ @ 9996:0201ab241151

<tswett_> le//rn tree//You should sometimes (but not always) ignore trees.
author HackBot
date Mon, 19 Dec 2016 02:01:21 +0000
parents d3c294a55f99
children
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|a+b@| = { √(a²-b²) if a²-b² ≥ 0 ; i√(a²-b²) if a²-b² < 0 }