New posts in Arithmetic Progressions

General method for finding summation of series with $n^{th}$ term difference in AP

Arithmetic progression within sequence: 1/2, 1/3, 1/4, 1/5, ......

Arrange all numbers from 1 to n such that no 3 of them are in Arithmetic Progression

Show that there are infinitely many primes of the form $8n+1,8n+3,8n+5,8n+7$

Question about arithmetic progression. stuck on one of the answers

Definite Integral of an Infinite Sum

What is the sum of numbers between 250 and 350 which are divisible by 7?

The Arithmetic Mean (A.M) between two numbers exceeds their Geometric Mean (G.M.)

Prove that there are infinitely many primes with $666$ in their decimal representation without Dirichlet's theorem.

To prove $\sum_{cyc}\frac{1}{a^3+b^3+abc} \le \frac{1}{abc}$