Challenge problem:Suppose [LaTeX ERROR: Convert failed] , and denote [LaTeX ERROR: Convert failed] by [LaTeX ERROR: Convert failed] .

For what [LaTeX ERROR: Convert failed] is it true that [LaTeX ERROR: Convert failed] ?

Moderator approved CB

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- Nov 4th 2010, 10:07 AMTheCoffeeMachineDerivative Problem
**Challenge problem:**Suppose [LaTeX ERROR: Convert failed] , and denote [LaTeX ERROR: Convert failed] by [LaTeX ERROR: Convert failed] .

For what [LaTeX ERROR: Convert failed] is it true that [LaTeX ERROR: Convert failed] ?

Moderator approved CB - Nov 4th 2010, 03:08 PMOpalg
__Spoiler__: - Nov 5th 2010, 06:52 AMTheCoffeeMachine