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Mathematics
Problem
The first two terms of a geometric sequence are
u
1
=
2.1
u_1 = 2.1
u
1
=
2.1
and
u
2
=
2.226
u_2 = 2.226
u
2
=
2.226
. a. Find the value of
r
r
r
. b. Find the value of
u
10
u_{10}
u
10
. c. Find the least value of
n
n
n
such that
S
n
>
5543
S_n > 5543
S
n
>
5543
.
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