Viewing a response to: @quantumdeveloper/math-contest-24-2-sbi
I would say you split 1/(x\*(x+3))=1/(3\*x)-1/(3\*(x+3))=1/3\*(1/x-1/(x+3)). Now if you sum over these terms everything cancels out except 1/3\*(1/1+1/2+1/3)=11/18
author | tonimontana |
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permlink | re-quantumdeveloper-q1gzht |
category | puzzle |
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created | 2019-11-24 10:52:06 |
last_update | 2019-11-24 10:52:06 |
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root_title | "Math Contest #24 [2 SBI]" |
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