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Thomas Calculus 13th [Solutions]

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840 Chapter 11 Parametric Equations and Polar Coordinates<br />

17.<br />

2 2<br />

2 y<br />

16x<br />

25y<br />

400 x 1<br />

25 16<br />

2 2<br />

c a b 25 16 3<br />

2<br />

18.<br />

2 2<br />

2 y<br />

7x<br />

16y<br />

112 x 1<br />

16 7<br />

2 2<br />

c a b 16 7 3<br />

2<br />

19.<br />

2 2 2 y<br />

2x y 2 x 1<br />

2<br />

2 2<br />

c a b 2 1 1<br />

2<br />

20.<br />

2 2<br />

2 y<br />

2x<br />

y 4 x 1<br />

2 4<br />

2 2<br />

c a b 4 2 2<br />

2<br />

21.<br />

2 2<br />

2 y<br />

3x<br />

2y<br />

6 x 1<br />

2 3<br />

2 2<br />

c a b 3 2 1<br />

2<br />

22.<br />

2 2<br />

2 y<br />

9x<br />

10y<br />

90 x 1<br />

10 9<br />

2 2<br />

c a b 10 9 1<br />

2<br />

23.<br />

2 2<br />

2 y<br />

6x<br />

9y<br />

54 x 1<br />

9 6<br />

2 2<br />

c a b 9 6 3<br />

2<br />

24.<br />

2 2<br />

2 y<br />

169x<br />

25y<br />

4225 x 1<br />

25 169<br />

2 2<br />

c a b 169 25 12<br />

2<br />

Copyright<br />

2014 Pearson Education, Inc.

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