Find an Equation of the Tangent Plane to the Surface $x ^ { 2 } + y ^ { 2 } + z ^ { 2 } = 9$

question 40

Multiple Choice

Find an equation of the tangent plane to the surface $x ^ { 2 } + y ^ { 2 } + z ^ { 2 } = 9$ at the point $( 1,2,2 )$ .

• A) \(2 x + y + z = 4\)