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X=101+202+303++5050Y=22+42+62++1002

 

Which is bigger, X or Y?

 Jun 24, 2020
 #1
avatar+134 
+2

Y, beacuse if you simply look at it, even though it starts at a smaller number, it has 100 terms and the last term (100^2) is 10000 which is way bigger. So from here, I strongly belive that Y is larger.

 Jun 24, 2020
 #2
avatar+33654 
+2

As follows

 

 Jun 25, 2020

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