Posted by peter on Tuesday, October 26, 2010 at 7:19am.
5/11+root5
How would I rationalize this
I think it would be 
Multiply both sides by 11root5
then use the foil method on the denominator to give you 555root5/121+5root115root115
the 2 roots would cancel out giving you 555root5/125
so would the answer be 555root5/7
thanks in advance

math  Reiny, Tuesday, October 26, 2010 at 8:26am
you have a typo and then transcribed that error
should have been
(55  5√5)/(1215)
=(55  5√5)/116