+0  
 
0
36
2
avatar

Suppose there exists a sequence \(a_1, a_2,... \) such that the sum of the first \(n\) terms is \(S_n=(5n^2+4)/√(3n+4)\) . Find the sum of \(a_5+a_6+a_7\) .  

 Nov 8, 2022
 #2
avatar+33271 
+1

Do it this way:

 

 Nov 8, 2022

24 Online Users