Describe the Trace of the Sphere $( x - 1 ) ^ { 2 } + ( y - 4 ) ^ { 2 } + ( z - 3 ) ^ { 2 } = 144$

question 16

Essay

Describe the trace of the sphere $( x - 1 ) ^ { 2 } + ( y - 4 ) ^ { 2 } + ( z - 3 ) ^ { 2 } = 144$ through
(a) the xz-plane in
(b) the plane
$z = - 2$ .

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