The answer to this would be 10
        
                    
             
        
        
        
Answer:
feels good doesn't it
Step-by-step explanation:
 
        
                    
             
        
        
        
(1+i)(2+i)
2+1i+2i-1
your answer: [1 + 3i]
hope this helps
        
                    
             
        
        
        
Hello! The answer should be B: 6i

 . Since the square root is above a negative, an imaginary number would come out. Because of this, you can easily recognize that it would be B. 
However, if you can't, you could use the calculator to check (ignoring the negatives), 6

 is equal to 

. 
The final answer should be B.