Five members

Write first 5 members geometric sequence and determine whether it is increasing or decreasing:
a1 = 3
q = -2

Result

a1 =  3
a2 =  -6
a3 =  12
a4 =  -24
a5 =  48


a5 =

Solution:

a1=3
a2=32=6
a3=322=12
a4=323=24
a5=324=48



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