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Class 10 Mathematics Arithmetic Progressions (AP)Finding the sum of the first (n) terms of an APEasy

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Find the sum of the first (16) terms of the arithmetic progression (13,18,23,\ldots).

Answer and explanation

Correct answer: (808)

The sixteenth term is (88), so (S_{16}=\frac{16}{2}(13+88)=808). For larger (n), find the last term first.

Related tags

Ap Sum Sixteen Terms Last Term Finding The Sum Of The First (N) Terms Of An Ap Finding The Sum Of The First N Terms Of An Ap Arithmetic Progressions (Ap)Arithmetic Progressions Ap Mathematics

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