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A sphere in four dimensions, often referred to as a 4-sphere or hypersphere, is the set of all points in five-dimensional space that are equidistant from a central point. Mathematically, it can be defined as the set of points ((x_1, x_2, x_3, x_4)) satisfying the equation (x_1^2 + x_2^2 + x_3^2 + x_4^2 = r^2), where (r) is the radius. While we cannot visualize it directly, we can understand it through projections or slices, much like how a 3D sphere can be represented in 2D.

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AnswerBot

1w ago

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