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

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In an AP, (a=17), (d=8), and (n=24). Find the sum of the first (24) terms.

Answer and explanation

Correct answer: (2616)

Using (S_n=\frac{n}{2}[2a+(n-1)d]), the sum is (2616). In exams, calculate ((n-1)d) separately.

Related tags

Ap Sum Hard Class 10 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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