# How do you rewrite the sum using summation notation on the following equation? 1 − 2 + 3 − 4 + 5 − 6 + 7 − 8?

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- 4 years agoFavourite answer
sum((-1)^(n + 1) * n , n = 1 , n = 8)

- MorningfoxLv 74 years ago
Sorry, I don't see any equation in your question. Equations need to have equals symbols.

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