If the sum of the first n terms of an arithmetic progression is given by $S_n = 3n^2 + 2n$, what is the 10th term of the progression?
A. 63
B. 68
C. 36
D. 78
Answer:D
If the sum of the first n terms of an arithmetic progression is given by $S_n = 3n^2 + 2n$, what is the 10th term of the progression?
A. 63 B. 68 C. 36 D. 78