2+?5 ---------- <(divided) 4+3?5 Rationalize the denominator
G guestz New member Joined Mar 14, 2010 Messages 4 Mar 14, 2010 #1 2+?5 ---------- <(divided) 4+3?5 Rationalize the denominator
A arthur ohlsten Full Member Joined Feb 20, 2005 Messages 852 Mar 14, 2010 #2 [2+sqrt5] / [4+3sqrt5] mu;tiply numerator and denominator by [4-3sqrt5] [2+sqrt5][4-3sqrt5] / [ 16-9(5)] answer Arthur
[2+sqrt5] / [4+3sqrt5] mu;tiply numerator and denominator by [4-3sqrt5] [2+sqrt5][4-3sqrt5] / [ 16-9(5)] answer Arthur
