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find sigma(k-k^3) above the sigma is 6 and below it is k=1?

the answer i got was -335 can someone please check if this is right. i really appreciate it. Thankssss!!

2007-12-02 09:37:02 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

1 answers

1+2+3+4+5+6=21
1+8+27+64+125+216=441
21-441=-420

2007-12-02 09:43:34 · answer #1 · answered by norman 7 · 0⤊ 0⤋

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