brookeharris389 brookeharris389
  • 15-11-2020
  • Mathematics
contestada

Find the first three terms of the sequence below.
Tn = n2 + 5n + 2

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Learntionary
Learntionary Learntionary
  • 15-11-2020

Step-by-step explanation:

T1 = 1^2 + 5(1) + 2 = 8

T2 = 2^2 + 5(2) + 2 = 16

T3 = 3^2 + 5(3) + 2 = 26

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devishri1977
devishri1977 devishri1977
  • 15-11-2020

Answer:

First three terms : 8 , 16 , 26

Step-by-step explanation:

[tex]T_{n}=n^{2}+5n + 2[/tex]

n = 1 ,   [tex]T_{1}=1^{2}+5*1+2=1+5+2 = 8[/tex]

n = 2 ,   [tex]T_{2}=2^{2}+5*2+2 = 4+10+2 = 16[/tex]

n= 3,   [tex]T_{3} = 3^{2}+5*3+2=9+15+2 = 26[/tex]

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