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22-09-2020
Mathematics

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what is the first 5 terms of the sequence with a pattern of an = n2 + 4?

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22-09-2020

Answer:

5, 8, 13, 20, 29

Step-by-step explanation:

[tex]a_n = n^2 +4\\

Plug \: n = 1, \:2, \:3,\: 4, \:5\\

a_1 = 1^2 +4=1+4 =5\\

a_2 = 2^2 +4=4+4 =8\\

a_3= 3^2 +4=9+4 =13\\

a_4= 4^2 +4=16+4 =20\\

a_5= 5^2 +4=25+4 =29\\[/tex]

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