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2,8,18,32,50,72 which term is the sequence is 512?
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43 votes
43 votes
2,8,18,32,50,72 which term is the sequence is 512?

User Wbartussek
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1 Answer

18 votes
18 votes

Answer:

16

Explanation:

2+6=8

8+10=18

18+14=32

6+4=10 10+4=14

an+1=an+(2+4n)

a7=a6+26=72+26=98

a8= a7+30= 98+30=128

a9=a8+34=128+34= 162

a10=a9+38= 162+38=200

a11=a10+42= 242

a12=242+46=288

a13=288+50= 338

a14=338+54= 392

a15=392+58= 450

a16= 450+62=512

User Marc Hauptmann
by
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