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sum((1+4*k)^2/(1-10000^3),k=0..10000)+sum((3+4*k)/(1+10000^2),k=0..10000)
sum((1+4*k)^2/(1-10000^3),k=0..10000)+sum((3+4*k)/(1+10000^2),k=0..10000)
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