EMPOWERgmatRichC wrote:
Hi chrtpmdr,
If you FOIL... (2−√3)(2+√3).... then you will end up with 4 - 3 = 1
In the context of the question that is asked, if you multiply both the numerator and denominator by (2+√3).... then you will end up with (2+√3)/1.
GMAT assassins aren't born, they're made,
Rich
Thank you for the fast answer - it is totally clear to me I was just a bit exhausted yesterday already at this point in my studies and therefore did not see the obvious.
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