(Q9).Find the indicated term of each geometric progression.
(ii) a
1
= -12; r =
1
3
; find a
6
.
a
n
= a . r
n-1
a
6
= (-
) × (
1
)
6-1
= (-
) ×
1
5
=
-
×
5
=
-
4
∴ a
6
=
-
4
Clear