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1/10( sqrt(4*100 -1) + ( sum ( sqrt(2k-1) - sqrt(2k) ) from 1 to (2*100 -1) ) ) < sqrt(17)/2 - 1
1/10( sqrt(4*100 -1) + ( sum ( sqrt(2k-1) - sqrt(2k) ) from 1 to (2*100 -1) ) ) < sqrt(17)/2 - 1
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