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Mathematics, 02.07.2021 19:40 peep372

Sum of first n terms of an ap sequance is 3n2+5n. what is the sum of its first n+1 terms. find the sum of its first 10 terms.

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Sum of first n terms of an ap sequance is 3n2+5n. what is the sum of its first n+1 terms. find the s...

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