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Adam1994
 2 years ago
Best ResponseYou've already chosen the best response.1\[\sum_{i4}^{2}4i\]

AnimalAin
 2 years ago
Best ResponseYou've already chosen the best response.1Just add them up.\[\sum_{k=4}^{2}4k=4\sum_{k=4}^{2}k=4(4+3+2)=36\]

AnimalAin
 2 years ago
Best ResponseYou've already chosen the best response.1As you can see, I prefer k as my index....

Adam1994
 2 years ago
Best ResponseYou've already chosen the best response.1Thank you very much :D
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