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Thomas Calculus 13th [Solutions]

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Section 12.4 The Cross Product 893<br />

i j k<br />

i j k<br />

9. u v 1 0 0 k 10. u v 1 0 1 i k<br />

0 1 0<br />

0 1 0<br />

i j k<br />

i j k<br />

11. u v 1 0 1 i j k 12. u v 2 1 0 5k<br />

0 1 1<br />

1 2 0<br />

13.<br />

i j k<br />

i j k<br />

u v 1 1 0 2k 14. u v 0 1 2 2j k<br />

1 1 0<br />

1 0 0<br />

i j k<br />

15. (a) PQ PR 1 1 3 8i 4j 4k Area 1 PQ PR 1<br />

2 2<br />

1 3 1<br />

64 16 16 2 6<br />

PQ PR<br />

(b) u 16 2 i j k<br />

PQ PR<br />

Copyright<br />

2014 Pearson Education, Inc.

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