TEDSF Interview Skills Q&A Platform
0 like 0 dislike
15 views

Consider an arithmetic series $S_{n} = n^{2} + 3n$

  • Calculate the second term of this series.
  • The first two terms of this sequence form a geometric sequence. Calculate the sum of the first 6 terms of this geometric sequence.
in Grade 12 Maths by Platinum (78.4k points) | 15 views

1 Answer

0 like 0 dislike

The sum of the first $n$ terms is:

ago by Platinum (54.5k points)
Welcome to TEDSF Skills Q&A, a platform, where you can ask skills questions and receive answers from other members of the community. On TEDSF the youth, students, teachers, policy makers and enthusiasts can ask and answer any questions. Get help and answers to any interview skills problem including mathematics, computer science, data science, web development, physics, chemistry, African development and more. Help is always 100% free!

3.6k questions

1.1k answers

60 comments

25.5k users

3,557 questions
1,134 answers
60 comments
25,465 users