Respuesta :

S1NGH

Answer:

n² + 1

Step-by-step explanation:

Sequence = 2 , 5 , 10 , 17 , 26

1st difference = 3 , 5 , 7 , 9

2nd difference = 2 , 2 , 2

n² + ? = 2 , 5 , 10 , 17 , 26

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