Let σ be the sphere x 2 + y 2 + z 2 = 1 , let n be an inward unit normal, and let D n f be the directional derivative of f x , y , z = x 2 + y 2 + z 2 . Use the result in Exercise 30 to evaluate the surface integral ∬ σ D n f d S
Let σ be the sphere x 2 + y 2 + z 2 = 1 , let n be an inward unit normal, and let D n f be the directional derivative of f x , y , z = x 2 + y 2 + z 2 . Use the result in Exercise 30 to evaluate the surface integral ∬ σ D n f d S
Let
σ
be the sphere
x
2
+
y
2
+
z
2
=
1
,
let n be an inward unit normal, and let
D
n
f
be the directional derivative of
f
x
,
y
,
z
=
x
2
+
y
2
+
z
2
.
Use the result in Exercise 30 to evaluate the surface integral
∬
σ
D
n
f
d
S
Identify the surface by eliminating the parameters from the vector-valued function
r(u,v) = 3 cosv cosui + 3 cosv sinuj + Śsinvk
a. plane
b. sphere
c. paraboloid
d. cylinder
e. ellipsoid
d
b
a
e
(D
Precalculus: Mathematics for Calculus (Standalone Book)
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