UPSKILL MATH PLUS
Learn Mathematics through our AI based learning portal with the support of our Academic Experts!
Learn more1. If a_n = 3-4n, show that a_1, a_2,a_3,... form an AP. Also find S_{20}.
The given a_n is .
S_{20} = .
2. In an AP, if S_n = n(4n+1), find the AP.
The sequence of an A.P. is , , , , ,...
Register for free to see more content