Arithmetic And Geometric Sequences And Series

Question 1

Formula for geometric sequences

Answer 1

Tn= ar^n-1

Question 2

Recursive formula for arithmetic sequences

Answer 2

Tk= T(k-1)+d

Question 3

Recursive formula for geometric sequences

Answer 3

Tk= a[T(k-1)]

Question 4

Formula for arithmetic series

Answer 4

Sn= n(2a+(n-1))d/2

Question 5

Formula for geometric series

Answer 5

Sn= a(r^n-1)/r-1

Question 6

Formula for arithmetic sequences

Answer 6

Tn= a+(n-1)d