Respuesta :

devishri1977

Answer:

Step-by-step explanation:

n = 3

3(n + 2) = 3(3+2) = 3*5 = 15

Answer:

15

Step-by-step explanation:

To find the third term substitute n = 3 into the n th term expression

[tex]a_{3}[/tex] = 3(3 + 2) = 3 × 5 = 15

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