Answer:
The product of (k + 1) series starts with 3 (because k = 2) and you need 2 to be multiplied to this in order to get (n + 1)!
Therefore you need to multiply 2 and 1/2 to make it right. 2 completes the factorial and 1/2 remains.
Hope it was clear explanation.
 
        
             
        
        
        
Answer:
the answer is c 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
I believe its 8 
Step-by-step explanation:
9 + 10 + 13 + 2 +6 = 40 / 5 = 8
 
        
             
        
        
        
Hi! The answer is right scalene triangle! Hope this is right! :)