Question

Determine an equation of the sphere with center
P(2, 1, −6)
that passes through the point
Q(4, 2, −8)

Answer 1

Answer:

$(x-2)^2+(y-1)^2+(z+6)^2=9$

Step-by-step explanation:

The radius is

$\sqrt{2^2+1^2+2^2}=3$

So, the equation is

$(x-2)^2+(y-1)^2+(z+6)^2=9$

Answer 2

Answer:

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