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Mathematics 13 Online
OpenStudy (anonymous):

[WILL FAN AND MEDAL] What is the sum of the first n terms of this series? 4 + 6 + 8 + 10 + 12 + ⋯

OpenStudy (anonymous):

its just increasing by 2 so the next would be 14

OpenStudy (anonymous):

why 40?

OpenStudy (anonymous):

I need it in the form of summation though. ∑ this

OpenStudy (anonymous):

40 because if you add everthing together it is 40

OpenStudy (anonymous):

yeah, but in summation form. This, ∑

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