### Home > A2C > Chapter 12 > Lesson 12.2.1 > Problem 12-83

12-83.

Find the sum of the first 11 terms of the sequence 21, 26, 31, 36, 41, … Homework Help ✎

*t*(*n*) = 5*n* + 16

S_{11} = 506

12-83.

Find the sum of the first 11 terms of the sequence 21, 26, 31, 36, 41, … Homework Help ✎

*t*(*n*) = 5*n* + 16

S_{11} = 506