Without the use of a calculator , calculate :
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What do you mean by "calculating" ? You mean evaluate, because is definitely not a perfect square (it is nearly one, but it's not) ... so we can only approach it !
Originally Posted by dhiab Without the use of a calculator , calculate : Define so If we let then so for large y, Now take , whence
Last edited by awkward; Nov 14th 2009 at 12:30 PM. Reason: typo
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