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
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