SOLUTION: what's the formula for this sequence 1, -2, 3, -4, 5, -6, 7, -8, 9, -10,...
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Question 800571
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what's the formula for this sequence 1, -2, 3, -4, 5, -6, 7, -8, 9, -10,...
Answer by
Edwin McCravy(20056)
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(-1)
n+1
·n