Sequences and Series

Question 1

Explicit Arithmetic Formula

Answer 1

An=A1+(n-1)d

Question 2

Explicit Geometric Formula

Answer 2

An = A1 * r^n-1

Question 3

Recursive Arithmetic Formula

Answer 3

A1 = #
An = A(n-1) + d

Question 4

Recursive Geometric Formula

Answer 4

A1 = #
An = r * A(n-1)