Tags » Arithmetic Progression

Sets of 3 square numbers in arithmetic progression














SUMMARY

(1) Find more solutions

(2) Find a triangle (a, b, c) where (a, b, c) are integers and are in arithmetic progression (AP)

Are cot A, cot B and cot C always in AP? 32 more words

Number Puzzles

3 Triangular numbers in arithmetic progression





Can you find another set of 3 Triangular numbers in arithmetic progression whose common difference is triangular?


Paul found:












in two ways:








For n = 5, can you find sets of 3 Pentagonal numbers in AP whose common difference is pentagonal? 64 more words

Number Puzzles