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24-04-2021
Mathematics

contestada

fine the first four terms of the sequence an=n2+4

Respuesta :

24-04-2021

Answer:

5,8,13,20

Step-by-step explanation:

an= n² + 4

just write the number instead of n

a1= 1²+4=5

a2= 2²+4 =8

a3= 3²+4= 13

a4=4²+4=20

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