\ \
The annual investment worth after
years is
.
(a) Find the first five terms of the sequence. \ \
\
.
.
.
.
.
The first five terms of the sequence are
.
(b) Find the sequence is convergent or divergent.
\The sequence is
.
Ratio test: \ \
\The sequence of the
is convergent if
.
The sequence of the
is divergent if
.
Replace
by
in
.

.
Substitute
.


Hence the value of
.
Therefore, the sequence is divergent.
\(a) The first five terms of the sequence are
.
(b) The sequence is divergent.