SOLUTION: for the following arithmetic sequence, find the fourteenth term and find n if an=22: 2,3,4,5... thanks i hope you can help!

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Question 51744: for the following arithmetic sequence, find the fourteenth term and find n if an=22:
2,3,4,5...
thanks i hope you can help!

Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
for the following arithmetic sequence, find the fourteenth term and find n if an=22:
2,3,4,5...
formula is
tn=a+(n-1)d
a=2...d=3-2=4-3=5-4=1...n=14
t14=2+(14-1)1=15
tn=22........
22=2+(n-1)1=n+1
n=21