Quadratic Equations
( ) 35 5i i − 2. i i9 19+ 3. i −39
3(7 + i7) + i (7 + i7) 5. (1 - i) - ( -1 + i6) 6. 1 2 5 45 5 2i i + − + 7. 1 7 1 4 43 3 3 3i i i + + + − − + 8. (1 - i )4 9. 1 33 i + 10. 12 3 i − − Find the multiplicative inverse of each of the complex numbers given in the Exercises 11 to 13. 11. 4 - 3i 12. 5 3 i+ 13. - i 14. Express the following expression in the form of a + ib : ( ) ( ) ( ) ( ) / 3 5 3 5 / 3 2 3 2 / i i / i i + − + − −