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weeblordd
12.01.2021 •
Mathematics
I am giving brainliest, IF WORK IS SHOWN. please help.
Solved
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Ответ:
-2/3
Step-by-step explanation:
The equation of the series:
Where
is the nth term and n is the number of terms.
Now let's calculate the partial sum. The equation for the partial sum should be:![S_n = \frac{1}{2}(a_1 +a_n)](/tpl/images/1028/5727/45b28.png)
The first term is 5/3.
The 15th term according to our previous equation is:
Put all that together we get:
Ответ:
i missed 2 days of school and now i have 800+ missing assignments, i swear ima bout to drop out lol
Step-by-step explanation: