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`4^(3)+5^(3)+6^(3)+.........+10^(3)=............` |
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Answer» Correct Answer - 2989 `4^(3)+5^(3)+6^(3)+.........+10^(3)=............` `=1^(3)+2^(3)+3^(3)+4^(3)+............+10^(3)-(1^(3)+2^(3)+3^(3))` `=[(10(10+1))/(2)]2-[(3(3+1))/(2)]2=55^(2)-6^(2)=61xx49=2989` |
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