The symbol 'โ' denotes the summation of a series. It represents adding up all the terms of a sequence from n=1 to infinity.
โ(๐=1 to โ) cheat sheet for homework
The sum of only some terms in a series, starting from an initial term and ending at a specified term.
A series where there are infinitely many terms being added together.
Finite Series: A series where there are only finitely many terms being added together.