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Find the sum of first 2014 terms of the number series 1, 2, 1, 1, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, ...

 Mar 27, 2020
 #1
avatar+20768 
0

One-half of the numbers will be 1s; the other half will be 2's.

1007 x 1  +  1007 x 2  =  

 Mar 27, 2020
 #2
avatar+1948 
0

Yep!

 

So, the sum of the first 2014 terms will be 3021~

 Mar 27, 2020

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