Question

Z=2-i√7niceeeeeeeeeee

Answer 1

Answer:

Step-by-step explanation:

∑

5

​  

(i  

n

+i  

n+2

)=  

n=1

∑

5

​  

(i  

n

+i  

n

.i  

2

)=  

n=1

∑

5

​  

(i  

n

+i  

n

.(−1))=  

n=1

∑

5

​  

(0)=0