Evaluating a Line Integral In Exercises 9-12, (a) find a parametrization of the path C, and (b) evaluate ∫ C ( x 2 + y 2 ) d s . C: counterclockwise around the circle x 2 + y 2 = 4 from (2, 0) to ( − 2 , 0 )
Evaluating a Line Integral In Exercises 9-12, (a) find a parametrization of the path C, and (b) evaluate ∫ C ( x 2 + y 2 ) d s . C: counterclockwise around the circle x 2 + y 2 = 4 from (2, 0) to ( − 2 , 0 )
Solution Summary: The author calculates a parametrization for the path C that is counterclockwise around the circle x2+y2.
Evaluating a Line Integral In Exercises 9-12, (a) find a parametrization of the path C, and (b) evaluate
∫
C
(
x
2
+
y
2
)
d
s
.
C: counterclockwise around the circle
x
2
+
y
2
=
4
from (2, 0) to
(
−
2
,
0
)
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.
The graph of the function f in the figure below consists of line segments and a semicircle. Let g be the function given by
x
9(x) = * f(t)dt. Determine all values of r, if any, where g has a relative minimum on the open interval (-9, 9).
y
8
7
6
5
4
32
1
Graph of f
x
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1
1
2
3
4 5
6
7 8
9 10
-1
-2
-3
-4
-5
-6
678
-7
-8
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