Question

Find the 20th term and nth term of the GP. 5/2,5/4,5/8.........

Answer 1

Answer:

Step-by-step explanation:

a = 5/2, r = 1/2

20th term = (5/2)(1/2)^19

= 5/1048576

nth term = (5/2)(1/2)^(n-1)

= 5/2^n