How do you write the expression for the nth term of the geometric sequence #a_1=5, r=3/2, n=8#?
1 Answer
Apr 29, 2018
Explanation:
#"the n th term of a geometric sequence is"#
#•color(white)(x)a_n=a_1r^(n-1)#
#"here "a_1=5" and "r=3/2#
#rArra_n=5(3/2)^(n-1)#
#rArra_8=5(3/2)^7=5xx2187/128=10935/128#
