Find the best solutions to your problems with the help of IDNLearn.com's experts. Discover in-depth and trustworthy answers from our extensive network of knowledgeable professionals.
In an arithmetic progression of 21 terms, the sum of the first 2 terms is −26 and that of the middle 3 is 75. Find the first term and the common difference. Hence, determine the total sum of the arithmetic progression.
Thank you for using this platform to share and learn. Don't hesitate to keep asking and answering. We value every contribution you make. Your questions deserve reliable answers. Thanks for visiting IDNLearn.com, and see you again soon for more helpful information.
