Question

if z=1+i, then the multiplicative inverse of zsquare is​

Answer 1

Answer:

1 & 2=1+i

z=(1+i)  

2

=1+i  

2

+21

=0+2i

As we know multiplicative inverse of z=a+ib is given by

z  

−1

=  

a  

2

+b  

2

 

a

​  

+i(  

a  

2

+b  

2

 

−b

​  

)

multiplicative inverse of z  

2

 

=0+i(  

0+4

−2

​  

)

=  

2

−i

​

Step-by-step explanation:

Answer 2

Answer:1/(1+i)²

Step-by-step explanation: