Question: 1 7 - 2 0 Show that the equation represents a sphere, and find its center and radius. x 2 + y 2 + z

17-20 Show that the equation represents a sphere, and find its
center and radius.
x2+y2+z2-2x-4y+8z=15
x2+y2+z2+8x-6y+2z+17=0
2x2+2y2+2z2=8x-24z+1
3x2+3y2+3z2=10+6y+12z
1 7 - 2 0 Show that the equation represents a

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