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Thomas Calculus 13th [Solutions]

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Section 11.1 Parametrizations of Plane Curves 807<br />

d<br />

2 2<br />

dt<br />

D<br />

2<br />

the point<br />

5 9<br />

3 2<br />

relative minimum. Therefore both t and t 5 give points on the ellipse closest to<br />

3<br />

3<br />

3<br />

3<br />

, 0 1, and<br />

4 2<br />

3<br />

1, are the desired points.<br />

2<br />

41. (a) (b) (c)<br />

42. (a) (b) (c)<br />

43.<br />

44. (a) (b) (c)<br />

Copyright<br />

2014 Pearson Education, Inc.

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