Jawapan

  • Pengguna Brainly
2016-02-03T00:21:52+08:00
T2 = 6 , T5 = 162 , T1 = ? ,r = ?

T2 = 6
6 = a ( r^1)
6 = ar
a = 6/r

T5 = 162
162 = 6/r ( r^4 )
162 = 6r^3
r^3 = 27
r = 3

a = 6/3
a = 2
a = T1
T1 = 2
1 5 1