189k views
3 votes
Use n to represent the position of a term in the sequence?

Use n to represent the position of a term in the sequence?-example-1
User Luisfer
by
6.1k points

1 Answer

5 votes

\begin{gathered} 7,14,21,28,\ldots \\ S_n=_{}S_1+nd \\ \end{gathered}

User JohnAD
by
6.1k points