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The first two terms of a geometric sequence are and .
Other · Multi-part · ISC · Mathematics · Algebra · Geometric progressions
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
. (1) Find the value of
r
r
r
. (2) Find the value of
u
10
u_{10}
u
10
. (3) Find the least value of
n
n
n
such that
S
n
>
5543
S_n>5543
S
n
>
5543
.
Related theory
Operations on Real Numbers
Real Number System
Geometric Progressions
Sequences and series
Fractals and self-similarity
Number Systems
Word problems
Operations on rational numbers
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