C H A P T E R 2 Polynomial and Rational Functions
C H A P T E R 2 Polynomial and Rational Functions
C H A P T E R 2 Polynomial and Rational Functions
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1.<br />
4.<br />
7.<br />
a 10<br />
b 6<br />
Section 2.4 Complex Numbers 181<br />
a bi 10 6i 2. a bi 13 4i 3. a 1 b 3i 5 8i<br />
2b 5<br />
b 5<br />
2<br />
a 6 6<br />
a 0<br />
a 13<br />
b 4<br />
a 1 5 ⇒ a 6<br />
b 3 8 ⇒ b 5<br />
a 6 2bi 6 5i 5. 4 9 4 3i 6. 3 16 3 4i<br />
2 27 2 27i 8. 1 8 1 22i 9. 75 75i 53i<br />
2 33i<br />
10. 4 2i 11. 8 8 0i 8 12. 45<br />
13. 6i i2 6i 1 14. 4i 2 2i 41 2i 15. 0.09 0.09 i<br />
1 6i<br />
4 2i<br />
0.3i<br />
16. 0.0004 0.02i 17. 5 i 6 2i 11 i 18. 13 2i 5 6i 8 4i<br />
19.<br />
21.<br />
22.<br />
8 i 4 i 8 i 4 i 20. 3 2i 6 13i 3 2i 6 13i<br />
4<br />
2 8 5 50 2 22i 5 52i<br />
4<br />
3 32i<br />
8 18 4 32i 8 32i 4 32i 23.<br />
24. 22 5 8i 10i 17 18i 25.<br />
26. 1.6 3.2i 5.8 4.3i 4.2 7.5i 27.<br />
28.<br />
30.<br />
6 2i2 3i 12 18i 4i 6i 2 29.<br />
12 22i 6 6 22i<br />
32 72i<br />
3 11i<br />
13i 14 7i 13i 14 7i<br />
3<br />
2<br />
5<br />
2i 53<br />
14 20i<br />
11<br />
3 i 32<br />
9<br />
6<br />
1 7<br />
6 6i 1 i3 2i 3 2i 3i 2i 2<br />
5 5 11<br />
2i 3 3 i<br />
3 i 2 5 i<br />
6i5 2i 30i 12i 2 30i 12<br />
12 30i<br />
15 10 22<br />
6 i 6 6 i<br />
8i9 4i 72i 32i 2 31. 14 10 i14 10 i 14 10i2 14 10 24
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