Three multiple choice questions, see attached image. thx ac

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Three multiple choice questions, see attached image. thx ac


Answered Same DayDec 29, 2021

Answer To: Three multiple choice questions, see attached image. thx ac

Robert answered on Dec 29 2021
116 Votes
An equation for the tangent plane to the sphere x
2
+ y
2
+ z
2
– 2x – 4y + 3z = 13 at the

point P(3, 4, -5) is
Solution: f(x, y, z) = x
2
+ y
2
+ z
2
– 2x – 4y + 3z -13
)7,4,4(
32
42
22










n
z
z
f
y
y
f
x
x
f


This is a normal vector for the plane.
4(x – 3) +...
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