Help who made the wrong steps..radical problems

[From: ] [author: ] [Date: 12-07-12] [Hit: ]

http://www.flickr.com/photos/78601110@N0…
who made an error with these two?
thanks in advance

Jaspreet made a mistake in step 2. The expression should have been multiplied by √6/√6.
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Tony is incorrect.

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