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18-12-2018
Mathematics

contestada

Explicit formula for the sequence 7,2,-3,-8

Respuesta :

ritiguda ritiguda

18-12-2018

Answer:

Step-by-step explanation:

The common difference of the sequence is -5

Since the difference is -5

a_n= 7+(n-1)(-5)

a_n = 7-5n+5

a_n = 12-5n

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