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# Which of the following is equal to ^2 A. 1 B. 5 C.

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Senior Manager
Joined: 17 Aug 2005
Posts: 394
Location: Boston, MA
Followers: 1

Kudos [?]: 17 [0], given: 0

Which of the following is equal to ^2 A. 1 B. 5 C. [#permalink]  05 Feb 2007, 16:30
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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Which of the following is equal to [1/(sqrt(3)-sqrt(2))]^2

A. 1
B. 5
C. sqrt(6)
D. 5-sqrt(6)
E. 5+2sqrt(6)
SVP
Joined: 08 Nov 2006
Posts: 1560
Location: Ann Arbor
Schools: Ross '10
Followers: 13

Kudos [?]: 169 [0], given: 1

E. 5+2sqrt(6)

Multiply the Numerator and denominator with sqrt(3)+sqrt(2). THen square the result. You will get E.
Current Student
Joined: 28 Dec 2004
Posts: 3391
Location: New York City
Schools: Wharton'11 HBS'12
Followers: 13

Kudos [?]: 181 [0], given: 2

yup get E as well..assuming the question is

([1/sqrt(3)] - [1/sqrt(2)])^2
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