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# GMAT Club Test 25

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Joined: 29 Mar 2006
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GMAT Club Test 25 [#permalink]  23 May 2008, 10:00
Can someone explain this one??its from the GMAT prep test M25
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* $$\sqrt{3} - 2$$
* $$2 + \sqrt{3}$$
* $$\sqrt{2} + \sqrt{3}$$
* $$2 - \sqrt{3}$$
* $$\sqrt{3} + 4$$

$$(2 + \sqrt{3})(2 - \sqrt{3}) = 4 - 3 = 1$$ .
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Re: GMAT Club Test 25 [#permalink]  23 May 2008, 10:04
i get B

just multiply the equation by [2+sqrt(3)] / [2+sqrt(3)]
Re: GMAT Club Test 25   [#permalink] 23 May 2008, 10:04
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