freddie95 freddie95

19-07-2021
Mathematics

contestada

Find the first three terms of the sequence below. 3n^2+5n−2

Respuesta :

19-07-2021

Answer:

-2, 6, 20 ,...

Step-by-step explanation:

3n² +5n -2

if n=0 , then 3*0² +5*0 -2= -2

if n=1, then 3*1² +5*1 -2 = 3+5-2 = 6

if nu 2, then 3*2² +5*2 -2 = 12 +10 -2 = 20

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