Exercise 5.1
Express each of the complex numbers given in the exercises 1 to 10 in the form 
:
1. 
Ans. Here = 
= 
=3
2. 
Ans. Here
= 
3. 
Ans. = 
= 
4. 
Ans. Here
= 
5. 
Ans. Here
= 
6. 
Ans. Here 
= 
= 
7. 
Ans. Here 
= 
= 
= 
= 
8. 
Ans. Here = 
= 
= 
= 
9. 
Ans. Here
= 
= 
= 
= 
= 
10. 
Ans. Here 
= 
= 
= 
= 
= 
= 
Find the multiplicative inverse of each of the complex numbers given in the exercises 11 to 13.
11. 
Ans. Multiplicative Inverse of = 
= 
= 
= 
12. 
Ans. Multiplicative Inverse of = 
= 
= 
= 
13. 
Ans. Multiplicative Inverse of = 
= 
= 
14. Express the following expression in the form of 
Ans. Here 
= 
= 
= 
= 
= 
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