Two marks example problems I — task. Mathematics State Board, Class 10.

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Find the sum of the first \(15\) terms of the A.P.

8, 7 \frac{1}{4}, 6 \frac{1}{2}, 5 \frac{3}{4}, ...

Answer:

The sum of the first \(15\) terms \(=\)

\frac{i}{i}

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3. Two marks example problems I