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Equation of a Sphere: Three-dimensional space

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14. Find an equation of the sphere that passes through the origin and whose center is (1, 2, 3).

19. (a) Prove that the midpoint of the line segment from P1(x1, y1, z1) to P2(x2, y2, z2) is

(((x1 + x2)/2), ((y1 + y2)/2), ((z1 + z2)/2))

(b) Find the lengths of the medians of the triangle with vertices A(1, 2, 3), B(-2, 0, 5), and C(4, 1, 5).

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Solution Summary

This shows how to find equation of a sphere, prove the midpoint formula in three-dimensional space, and find lengths of medians of a triangle with given vertices.

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