For the following exercises, find the directional derivative of the function in the direction of the unit vector u cos θ i + sin θ j 276. f ( x , y ) = cos ( 3 x + y ) θ = π 4
For the following exercises, find the directional derivative of the function in the direction of the unit vector u cos θ i + sin θ j 276. f ( x , y ) = cos ( 3 x + y ) θ = π 4
For the following exercises, find the directional derivative of the function in the direction of the unit vectoru cos
θ
i
+ sin
θ
j
276.
f
(
x
,
y
)
=
cos
(
3
x
+
y
)
θ
=
π
4
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Let C be the intersection of the cylinder x² + y² = 2.95 with the
plane z = 1.13x, with the clockwise orientation, as viewed from above. Then the value of
cos (₤23
COS 2 y dx xdy+3 z dzis
3 z dz) is
0.131
-0.108
-0.891
-0.663
-0.428
0.561
-0.332
-0.387
2
x² + 47
The partial fraction decomposition of
f(x)
g(x)
can be written in the form of
+
x3 + 4x2
2
C
I
where
f(x) =
g(x)
h(x) =
h(x)
+
x +4
The partial fraction decomposition of
f(x)
4x 7
g(x)
+
where
3x4
f(x) =
g(x) =
- 52 –10
12x237x+28
can be written in the form of
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