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→Zero: Clarification
Wouldn't only all nonzero numbers have two square roots? [[User:MountainDew|MountainDew]] 17:53, 12 April 2007 (EDT)
Wouldn't only all nonzero numbers have two square roots? [[User:MountainDew|MountainDew]] 17:53, 12 April 2007 (EDT)
:Cross-checking with Wikipedia (my Calculus books are out of reach at the moment) says that the square roots do not have to be distinct, so <math>\sqrt{0} = \pm 0</math>. --[[User:Sid 3050|Sid 3050]] 17:57, 12 April 2007 (EDT)
:Cross-checking with Wikipedia (my Calculus books are out of reach at the moment) says that the square roots do not have to be distinct, so <math>\sqrt{0} = \pm 0</math>. But there are indeed two. --[[User:Sid 3050|Sid 3050]] 17:57, 12 April 2007 (EDT)