Corrected the error and explanation of 1 ) 2) 3 ) x real number :
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1) 2) 3) AND if and only if .
Last edited by alexmahone; June 15th 2009 at 02:56 AM. Reason: Error in question 2
For the first and second question Thank you . for 3 ) : this expression in the single resolution :
Originally Posted by dhiab For the first and second question Thank you . for 3 ) : this expression in the single resolution : Fair enough. Sorry.
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