SOLUTION: How to compute {{{ sum( ((-1)^k * k ), k=1, 50) }}}?

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Question 1173131: How to compute +sum%28+%28%28-1%29%5Ek+%2A+k++%29%2C+k=1%2C+50%29+?
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
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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