Question: sum(...)=0 but add(...) gives the correct answer

September 26 2012 Søren Haagerup 0

I have trouble with Maple's add-function. It is usually very good at manipulating my sums using Binomial coefficients, but Maple calculates outright wrong in this example, when using the sum-function:

I would like to use Maple's features for reasoning about expressions (solve etc.), so the numerical add is not desirable. What to do?


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