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Komok [63]
2 years ago
9

Write an explicit formula for the recursive formula A(n) = A(n - 1) + 3; A(1) = 6

Mathematics
1 answer:
arsen [322]2 years ago
7 0

Answer:

a_{n} = 3n + 3

Step-by-step explanation:

The sequence is arithmetic with explicit formula

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

From the recursive formula

a₁ = 6 and d = 3 [ the constant being added to A(n - 1) ] , then

a_{n} = 6 + 3(n - 1) = 6 + 3n - 3 = 3n + 3

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