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8_murik_8 [283]
3 years ago
9

Not? Is t(n)=2⋅3n

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
4 0

Answer:

Step-by-step explanation: I am used to describing arithmetic sequences like this:

3

,

5

,

7

,

.

.

.

3,5,7,...3, comma, 5, comma, 7, comma, point, point, point

But there are other ways. In this lesson, we'll be learning two new ways to represent arithmetic sequences: recursive formulas and explicit formulas. Formulas give us instructions on how to find any term of a sequence.

To remain general, formulas use

n

nn to represent any term number and

a

(

n

)

a(n)a, left parenthesis, n, right parenthesis to represent the

n

th

n

th

n, start superscript, start text, t, h, end text, end superscript term of the sequence. For example, here are the first few terms of the arithmetic sequence 3, 5, 7, ...

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