Find the nth term of each arithmetic sequence described?

23,25,27,29,... for n=12

1 Answer
Alan P.
Nov 15, 2017

#n^(th)# term: #45#

Explanation:

The given sequence appears to be :
#21+2xx1# (first term)
#21+2xx2# (second term)
#21+2xx3# (third term)
#21+2xx4# (forth term)
...

In general:
#21+2xxn# (#n^(th)# term)

For #n=12#, this becomes
#21+2xx12=21+24=45#

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