Question

find S2 if an=3n+1. ​

Answer 1

Step-by-step explanation:

Answer:

An=3n+1

A2=3(2)+1

A2=6+1

A2=7

Answer 2

Answer:

An = 3n + 1

A2 = 3 ( 2 ) +1

A2= 6 + 1

A2= 7