Find an equation of the sphere one of whose diameters has (1, 3, -5) and (3, -1, 3) as its endpoints. any help with these please.
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Originally Posted by rcmango Find an equation of the sphere one of whose diameters has (1, 3, -5) and (3, -1, 3) as its endpoints. any help with these please. Find the midpoint. Which is the arithmetic mean of each one: (2,1,1) Now find the measurement of the great circle. sqrt(4+16+64)=sqrt(80) Thus, (x-2)^2+(y-1)^2+(z-1)^2=80
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