what about multiplying the both sides by the squared denominators?
Ive answered a similar question like you did and my tutor said it was wrong and told me to use the squared method, which confused the hell outta me.
(by squared denominator i mean this:
May 31st 2008, 07:14 AM
Originally Posted by janvdl
This has to be wrong. You can't multiply by or since we don't previously know what their signs are.