sage doesn't evaluate
asked 2015-10-14 08:49:11 -0500
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If I say f(x) = sum(k,k,0,x) and then f(2), I get 3, of course, but if I say g(x) = (binomial(10,k),k, 0,x) and then g(2), sage doesn't evaluate, just returns the definition with x replaced by 2. Why? Thanks