Rationalize 2 / (2 - 2^(1/4))
I don't think you can do anything more.
no you can 2^(1/4) is the fourth root of 2
ok but still...
answer book says you can
( 8 + 21/4√4 + 4 1/4√2 + 1/4√8 ) / 7
thanks!
