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X2 T01 06 complex conjugates
- 6. Properties of Complex
Conjugates
1 z z
2 arg z arg z
3 zz x 2 y 2
z
2
4 z1 z2 z1 z2
- 7. Properties of Complex
Conjugates
1 z z 5 z1 z2 z1 z2
2 arg z arg z
3 zz x 2 y 2
z
2
4 z1 z2 z1 z2
- 8. Properties of Complex
Conjugates
1 z z 5 z1 z2 z1 z2
2 arg z arg z z1 z1
6
3 zz x 2 y 2 z2 z2
z
2
4 z1 z2 z1 z2
- 9. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
- 10. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
6 2i
x iy
3i
- 11. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
6 2i
x iy
3i
6 2i
x iy
2
1
3i
- 12. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
6 2i 6 2i
x iy x iy 2
3i 3i
6 2i
x iy
2
1
3i
- 13. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
6 2i 6 2i
x iy x iy 2
3i 3i
6 2i 6 2i
x iy
2
1
3i 3i
- 14. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
6 2i 6 2i
x iy x iy 2
3i 3i
6 2i 6 2i
x iy
2
1
3i 3i
6 2i
x iy
2
2
3i
- 15. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
6 2i 6 2i
x iy x iy 2
3i 3i
6 2i 6 2i
x iy
2
1
3i 3i
6 2i
x iy
2
2
Multiply 1 2 3i
- 16. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
6 2i 6 2i
x iy x iy 2
3i 3i
6 2i 6 2i
x iy
2
1
3i 3i
6 2i
x iy
2
2
Multiply 1 2 3i
6 2i 6 2i
x iy x iy
2 2
3i 3i
- 17. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
6 2i 6 2i
x iy x iy 2
3i 3i
6 2i 6 2i
x iy
2
1
3i 3i
6 2i
x iy
2
2
Multiply 1 2 3i
6 2i 6 2i
x iy x iy
2 2
3i 3i
36 4
x y
2 2 2
9 1
4
- 18. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
6 2i 6 2i
x iy x iy 2
3i 3i
6 2i 6 2i
x iy
2
1
3i 3i
6 2i
x iy
2
2
Multiply 1 2 3i
6 2i 6 2i
x iy x iy
2 2
3i 3i
36 4
x y
2 2 2
9 1
4
x2 y2 2
- 19. 6 2i
e.g. If x iy , show that x 2 y 2 2
3i
6 2i 6 2i
x iy x iy 2
3i 3i
6 2i 6 2i
x iy
2
1
3i 3i
6 2i
x iy
2
2
Multiply 1 2 3i
6 2i 6 2i
x iy x iy
2 2
3i 3i
36 4
x y
2 2 2
9 1 Exercise 4H; 1 to 6
4
x2 y2 2