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Hypersphere

In mathematics, an n-sphere or hypersphere is an ⁠ n {\displaystyle n} ⁠-dimensional generalization of the ⁠ 1 {\displaystyle 1} ⁠-dimensional circle and ⁠ 2 {\displaystyle 2} ⁠-dimensional sphere to any non-negative integer ⁠ n {\displaystyle n} ⁠.

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