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Find the sum of the first 200 terms of 3 + 8 + 13 + 18 + ...

 Jun 29, 2022
 #1
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The 200th term is    3 + 199 (5) =   998

 

The sum is 

 

[ 3 + 998 ]  * 100  =  

 

100,100

 

cool cool cool

 Jun 29, 2022

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