The sum of n terms of AP is the sum(addition) of first n terms of the arithmetic sequence. It is equal to n divided by 2 times the sum of twice the first term – ‘a’ and the product of the difference between second and first term-‘d’ also know as common difference, and (n-1), where n is numbers of terms to be added

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Step-by-step explanation:The sum of n terms of AP is the sum(addition) of first n terms of the arithmetic sequence. It is equal to n divided by 2 times the sum of twice the first term – ‘a’ and the product of the difference between second and first term-‘d’ also know as common difference, and (n-1), where n is numbers of terms to be addedHopesithelpyou❤️❤️Answer:how to do…………