Can someone show me how is equal to ? I know I can flip the denominator to: But I still can't understand how it gets to . What am I missing
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Last edited by pickslides; Aug 31st 2010 at 09:50 PM. Reason: Bad Latex
Alternatively, dividing each member of the fraction by (Pickslides multiplied by its inverse) :
Yet another way: is defined to be the number such that so the denominator can be written as
Yet another way!
HallsofIvy's way is how I'd normally show it, however, it does depend on whether one is working with surds or indices, or various simplification techniques. If they are equal, we will have RHS=LHS after cross-multiplying... as in hence since
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