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I'm doing something wrong here

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Intern
Joined: 03 Jun 2011
Posts: 7
Followers: 0

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I'm doing something wrong here [#permalink]

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25 Aug 2011, 10:14
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OK, I've looked all over this forum and can't find this question or any answers that can help me figure this out.
Of the following integers, which is the closest approximqtion to (\sqrt{2} + \sqrt{5}) ^2?
A)7
B)10
C)13
D)15
E)17
I foiled this and I get sqaure roots in my answer. Any help would be great!
[Reveal] Spoiler: OA
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Joined: 20 Dec 2010
Posts: 2021
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Re: I'm doing something wrong here [#permalink]

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25 Aug 2011, 10:22
Olenkap82 wrote:
OK, I've looked all over this forum and can't find this question or any answers that can help me figure this out.
Of the following integers, which is the closest approximqtion to (\sqrt{2} + \sqrt{5}) ^2?
A)7
B)10
C)13
D)15
E)17
I foiled this and I get sqaure roots in my answer. Any help would be great!

i-m-doing-something-wrong-here-119602.html

Please try to avoid spelling mistakes in the question because it ruins the search.
approximqtion should be approximation

(\sqrt{2} + \sqrt{5}) ^2 was a good effort. You forgot to use the m-tag though.

$$(\sqrt{2} + \sqrt{5}) ^2$$

_________________
Re: I'm doing something wrong here   [#permalink] 25 Aug 2011, 10:22
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