Sum vs expanded form - MaplePrimes

Question:Sum vs expanded form

Posted: cloz54 65 Product: Maple 16

May 31 2016

Please check this:

N:=3;

sum1 := lcm(N, 0)+lcm(N, 1)+lcm(N, 2)+lcm(N, 3);

sum2 := sum(lcm(N, k), k = 0 .. N);

Why is sum2 wrong?

Regards,

César Lozada

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