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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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What is the sum of the first (8) terms of the arithmetic progression (7,14,21,\ldots)?

Answer and explanation

Correct answer: (252)

This is the sum of the first (8) multiples of (7), so (7\times36=252). For multiples, use the sum of natural numbers.

Related tags

Multiples Seven Ap Sum 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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