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Mathematics, 21.12.2021 05:20 nuneybaby

(b) Find the sum of first twenty terms of the following arithmetic progressions A. P (i) -4,-1, 2,...
(ii) 2, 3, 5,...
(iii) -2, -5, -8, -11,...

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(b) Find the sum of first twenty terms of the following arithmetic progressions A. P (i) -4,-1, 2,...
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