Ask Question
23 November, 23:42

What is the sum of the first 14 terms of the sequence : an=6n-12

+2
Answers (1)
  1. 23 November, 23:56
    0
    A1=6*1-12=-6 arithmetic sequence

    a14=6*14-12=72

    sum = n (a (1) + a (n)) / 2

    sum = 14 * (-6+72) / 2=462
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “What is the sum of the first 14 terms of the sequence : an=6n-12 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers