For the following exercises, use a computer algebraic system (CAS) and the divergence theorem to evaluate surface integral ∫ s F ⋅ n d S for the given choice of F and the boundary surface S . For each closed surface, assume N is the outward unit normal vector. 378. [T] F ( x , y , z ) = ( x 2 + y 2 − x 2 ) i + x 2 y j + 3 z k ; S is the surface of the five faces of unit cube 0 ≤ x ≤ 1 , 0 ≤ y ≤ 1 , 0 < z ≤ 1 .
For the following exercises, use a computer algebraic system (CAS) and the divergence theorem to evaluate surface integral ∫ s F ⋅ n d S for the given choice of F and the boundary surface S . For each closed surface, assume N is the outward unit normal vector. 378. [T] F ( x , y , z ) = ( x 2 + y 2 − x 2 ) i + x 2 y j + 3 z k ; S is the surface of the five faces of unit cube 0 ≤ x ≤ 1 , 0 ≤ y ≤ 1 , 0 < z ≤ 1 .
For the following exercises, use a computer algebraic system (CAS) and the divergence theorem to evaluate surface integral
∫
s
F
⋅
n
d
S
for the given choice of F and the boundary surface S. For each closed surface, assume N is the outward unit normal vector.
378. [T]
F
(
x
,
y
,
z
)
=
(
x
2
+
y
2
−
x
2
)
i
+
x
2
y
j
+
3
z
k
; S is the surface of the five faces of unit cube
0
≤
x
≤
1
,
0
≤
y
≤
1
,
0
<
z
≤
1
.
The slope of the surface z = xy² in the x-
direction at the
point (2, 3) is
O 12
O 8
O 11
O 9
O 10
Let S be the quadratic surface given by S = {(x, y, z) | z = 4 - x² - y², z ≥ 0}, oriented with the upward pointing normal and
parameterized by Þ(u, v) = (u, v, 4 − u² v²). Let F= yzi-xzj+k.
Give the associated tangent vectors T, and T, and the normal vector T₂ × Tv. Give your answers in the form (*, *, * ).
Tu(u, v) =
T, (u, v) =
Tu x Tv (u, v) =
Calculate the value of the surface integral I =
O
-2π
-4 T
2π
•//. F
4 π
F. ds.
->
Evaluate F.dr, where F (x, y, z) = - yi + xj + z²k and C is the curve of
C
intersection of the plane y + z = 2 and the cylinder x? + y? = 1.
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