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07 Jun 2009, 01:37
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Hades
Watch your language and attitude
Nobody is obliged to show you anything. I am closing this thread for now. If anyone has questions about it, please PM me and I will reopen.
07 Jun 2009, 08:40
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Hades
I do not see any reason not to understand that n is/must be 9990 given that x = m/n = 9115/n.
Again with the given facts (i.e. the structire of 0.TBCDBCDBCD in which T is not repeating but BCD is), the denomenator, n, must be 9990.
In x = (TBCD-T)/9990 = m/n, m (or TBCD-T) cannot be greater than 9115 but could be smaller than that. The maximum m is a 4 digit number (zzzz or 9115) with 9 in thousand's place. Similarly (TBCD-T) is the max 4 digit number in neumarator for x = m/n. m could be 1823. In that case, when x = 1823/p where p = n/q, yes I agree that (TBCD-T) could not be 9115 but when m is clearly given 9115, (TBCD -T) is that 9115.
Therefore (TBCD-T) = 9115.
If it is still unclear, PM me for more detail repeating/terminating decimal.
It seems a real difficult question. :-D
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