SOLUTION: find the sum of he first 20 terms of the airthmetic series -2+1+4+7

SOLUTION: find the sum of he first 20 terms of the airthmetic series -2+1+4+7

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Question 38763This question is from textbook
: find the sum of he first 20 terms of the airthmetic series -2+1+4+7 This question is from textbook

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