SOLUTION: Evaluate the summation of (4i+2) where i=1 n=180

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Question 1123411: Evaluate the summation of (4i+2) where i=1 n=180
Answer by josgarithmetic(39618) About Me  (Show Source):
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first term 4%2A1%2B2=6
last term 4%2A180%2B2=722

using summation formula for arithmetic series,%28180%2F2%29%286%2B722%29
90%2A728
65520