Mathematics, 26.03.2020 18:55 soviet85
The number of terms in an arithmetic series is even. The sums of the odd numbered terms (first term, third term, etc.) is 24, and the sum of the even numbered terms (second term, fourth term, etc.) is 30. The last term exceeds the first term by $\frac{21}{2}.$ Find the number of terms in the arithmetic series.
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The number of terms in an arithmetic series is even. The sums of the odd numbered terms (first term,...
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