SOLUTION: Let a sequence {an} : 2, 5, 8, 11, ......, an. If an>100, the minimum value of n is __?__

Algebra ->  Sequences-and-series -> SOLUTION: Let a sequence {an} : 2, 5, 8, 11, ......, an. If an>100, the minimum value of n is __?__      Log On


   



Question 873647: Let a sequence {an} : 2, 5, 8, 11, ......, an. If an>100, the minimum value of n is __?__
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
a%5Bn%5D+=+2+%2B+%28n-1%293
3n-1 >100
3n > 101
n > 101/3 = 33 2/3, ++highlight_green%28n%3E34%29+
checking...
a%5B33%5D+=+2+%2B+%28n-1%293+=+98
a%5B34%5D+=+2+%2B+%28n-1%293+=+101