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boomerang285
 2 years ago
Best ResponseYou've already chosen the best response.0\[\sum_{1}^{3} (3i+1)\]

boomerang285
 2 years ago
Best ResponseYou've already chosen the best response.0and I also have this one which is \[\sum_{1}^{2} 3i\]

boomerang285
 2 years ago
Best ResponseYou've already chosen the best response.0which i think is 6???

hjhancock
 2 years ago
Best ResponseYou've already chosen the best response.1the 1 on the bottom is giving you your starting place and the 3 on the top is telling you how many times to go through it so for the first on, you have (3*1+1)+(3*2+1)+(3*3+1)

boomerang285
 2 years ago
Best ResponseYou've already chosen the best response.0oooohhh so its 21, that makes total sense, and I also see what I was doing wrong...

boomerang285
 2 years ago
Best ResponseYou've already chosen the best response.0so would the answer to the second one then be 9 instead of 6?

hjhancock
 2 years ago
Best ResponseYou've already chosen the best response.1yeah, because you iterate twice(the 2 on the top) so its (3*1)+(3*2)

boomerang285
 2 years ago
Best ResponseYou've already chosen the best response.0gotcha, thank you so much!
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