2010000206

Level: 
Project ID: 
2010000206
Source Problem: 
Accepted: 
0
Clonable: 
1
Easy: 
0
Find the third term of an arithmetic sequence \( (a_n)^{\infty}_{n=1}\), if the sum of the first \(n\) terms is equal to \(2n^2+3n\).
\( a_3 = 13\)
\( a_3 = 27\)
\( a_3 = 23\)
\( a_3 = 46\)