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Thomas Calculus 13th [Solutions]

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Section 12.6 Cylinders and Quadric Surfaces 907<br />

16.<br />

2 2<br />

4x y 36<br />

17.<br />

2 2 2<br />

9x y z 9<br />

18.<br />

2 2 2<br />

4x 4y z 16<br />

19.<br />

2 2 2<br />

4x 9y 4z 36 20.<br />

2 2 2<br />

9x 4y 36z 36 21.<br />

2 2<br />

x 4y z<br />

22.<br />

2 2<br />

z 8 x y 23.<br />

2 2<br />

x 4 4y z 24.<br />

2 2<br />

y 1 x z<br />

25.<br />

2 2 2<br />

x y z 26.<br />

2 2 2<br />

4x 9z 9y 27.<br />

2 2 2<br />

x y z<br />

1<br />

Copyright<br />

2014 Pearson Education, Inc.

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