(Q6).Explain why each of the lists above is a G.P.
(iii) 256, 128, 64, 32,…….
The given series forms a G.P.
Since every term, starting from the second can be obtained by
its preceding term by a fixed number
( ∴ r =
a
2
a
1
=
a
3
a
2
= ........ =
)
Clear