SOLUTION: How to compute {{{ sum( ((-1)^k * k ), k=1, 50) }}}?
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Question 1173131: How to compute ?
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
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a TWIN problem was solved today under this link
https://www.algebra.com/algebra/homework/Sequences-and-series/Sequences-and-series.faq.question.1173115.html
https://www.algebra.com/algebra/homework/Sequences-and-series/Sequences-and-series.faq.question.1173115.html
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