Operations of radical expressions

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granite: Junior | Next Rank: 30 Posts; Posts: 12; Joined: Mon Oct 01, 2012 4:23 pm; Thanked: 1 times

by granite » Fri Nov 02, 2012 10:39 am

(2+2âˆš6)/2 =

A: âˆš6
B: 2âˆš6
C: 1 + âˆš6
D: 1 + 2âˆš6
E: 2 + âˆš6

From the GMAT Quantitative Review 2nd edition.

Source: Beat The GMAT — Problem Solving | Fri Nov 02, 2012 10:39 am

pemdas: Legendary Member; Posts: 1084; Joined: Fri Apr 15, 2011 2:33 pm; Thanked: 158 times; Followed by:21 members

by pemdas » Fri Nov 02, 2012 12:28 pm

factor out 2 --> 2(1+âˆš6)/2 = 1+âˆš6

granite wrote:(2+2âˆš6)/2 =

A: âˆš6
B: 2âˆš6
C: 1 + âˆš6
D: 1 + 2âˆš6
E: 2 + âˆš6

From the GMAT Quantitative Review 2nd edition.

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