How do you determine the first 5 terms if #a_1=2# and #r=3#?
1 Answer
Jun 9, 2018
Explanation:
#"since common ratio "r=3#
#"we are dealing with a geometric sequence"#
#"to obtain a term in the sequence multiply the previous"#
#"term by r"#
#a_1=2#
#a_2=3xx2=6#
#a_3=3xx6=18#
#a_4=3xx18=54#
#a_5=3xx54=162#
