![S_n=\frac{n}{2}[a+l]](/tpl/images/0602/7758/07c77.png)
![S_{375}=\frac{375}{2}[-32+(-780)]](/tpl/images/0602/7758/167f8.png)
![S_{375}=\frac{375}{2}[-812]](/tpl/images/0602/7758/2a66f.png)
What is the sum of the sequence?
−32+(−34)+(−36)+...+(−778)+(−780)=< br />
Is it -...
Mathematics, 15.04.2020 20:55 hannacarroll2539
What is the sum of the sequence?
−32+(−34)+(−36)+...+(−778)+(−780)=< br />
Is it -152250 I need a good explanation!!!
Answers: 1
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