Basic arithmetic series
Last attempts:The first few terms of an arithmetic series are: $$-7, 1, 9, 17, 25$$ Find (a) the $40$-th term of the series and (b) the sum of the first $40$ terms.
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The first few terms of an arithmetic series are: $$-7, 1, 9, 17, 25$$ Find (a) the $40$-th term of the series and (b) the sum of the first $40$ terms.
Click here to try another question like this.