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topjm [15]
3 years ago
8

An arithmetic sequence is represented by the explicit formula A(n) = 2 +(n − 1)(− 5)

Mathematics
2 answers:
Reil [10]3 years ago
8 0

Answer:

a+(n-1)d please do you get it or

ruslelena [56]3 years ago
8 0

Answer:

a_{n} = a_{n-1} - 5

Step-by-step explanation:

Given the explicit formula

A(n) = 2 - 5(n - 1)

Compare with the standard form

A(n) = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 2 and d = - 5

A recursive formula allows a term in the sequence to be found by adding d to the previous term.

Then recursive formula is

a_{n} = a_{n-1} - 5 , with a₁ = 2

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