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anonymous
 one year ago
Which of the following sums does not equal the others?
anonymous
 one year ago
Which of the following sums does not equal the others?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0https://gyazo.com/10a3396431bbd8bb38bf022ce7c5a933 Looking for some explanations not just answer. Appreciate it.

e.mccormick
 one year ago
Best ResponseYou've already chosen the best response.1Well first, do you understand the summation notation?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes, I have already taken precalc along with AP Calc......just looking for some help to jog my memory.

e.mccormick
 one year ago
Best ResponseYou've already chosen the best response.1Did you try solving the sums? They are not very hard ones.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Nah, gonna go do it right now....I remember a shortcut for this though other than solving each one.

e.mccormick
 one year ago
Best ResponseYou've already chosen the best response.1Well, there are some rules where you can transform sums. Sort of templates.

e.mccormick
 one year ago
Best ResponseYou've already chosen the best response.1https://www.math.ucdavis.edu/~kouba/CalcTwoDIRECTORY/summationdirectory/Summation.html http://tutorial.math.lamar.edu/Classes/CalcI/SummationNotation.aspx

e.mccormick
 one year ago
Best ResponseYou've already chosen the best response.1It is just that with such small sum sets, I am not sure if it would make much difference.

e.mccormick
 one year ago
Best ResponseYou've already chosen the best response.1And this PDF has some nice details and examples: http://www.mathcentre.ac.uk/resources/workbooks/mathcentre/sigma.pdf

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0That's exactly what I was looking for, thanks. Anyways my answer was B.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@e.mccormick Let me know if it is wrong by any chance.

e.mccormick
 one year ago
Best ResponseYou've already chosen the best response.1Yah, the others are 14.
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