What is the 11th term of the sequence: $$m-2n,m-n,m,...$$?

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Uniteasy Admin · Accepted Answer

From the given sequence, there observed the series is an arithmetic sequence , in which  $$a_1=m-2n$$, $$d=n$$.
Using the formula for general terms of an arithmetic sequence, 
$$a_n=a_1+(n-1)d$$
$$a_{11}=m-2n+10n$$
Therefore, $$a_{11}=m+8n$$

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