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Find the sum of first 24 terms of list of numbers whose nth term is an=3+2n |
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Answer» it was given an=3+2n so . In case 1 n=1 3+2x1=5 the an where n=2 so 3+2x2 =7 then n=3 3+2x3 =9 Here we got a=5 and d =2 so then put these in sum of an AP formula and get the answer Ans is 672 |
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