Question

Halla el término trigésimo de la progresión aritmética de diferencia 3 y primer término 11. Halla el término general de la progresión y la suma de los cuarenta primeros términos

Answer 1

13th term = 47

General term: Tn = 11 + 3(n-1)

Sum of the first 40 terms = 2780

Question:

Find the thirtieth term of the arithmetic progression of difference 3 and the first term 11. Find the general term of the progression and the sum of the first forty terms.

Explanation:

Common difference (d)= 3

First term = a = 11

Find attached the solution of problem.