Question
$43-48$ . Find the partial sum $S_{n}$ of the arithmetic sequence that satisfies the given conditions. $$a_{1}=55, d=12, n=10$$
Step 1
We can use the formula for the nth term of an arithmetic sequence, which is $a_{n} = a_{1} + (n-1)d$. Here, $a_{1}$ is the first term, $d$ is the common difference, and $n$ is the number of terms. Show more…
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