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# What is the value of

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Joined: 28 Nov 2017
Posts: 142
Location: Uzbekistan
What is the value of  [#permalink]

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13 Apr 2018, 05:18
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What is the value of $$\sqrt{25-10\sqrt{6}}-\sqrt{25+10\sqrt{6}}$$?

A. -50
B. $$-20\sqrt{6}$$
C. $$-10\sqrt{6}$$
D. $$-2\sqrt{10}$$
E. $$2\sqrt{10}$$
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Tulkin.
Math Expert
Joined: 02 Sep 2009
Posts: 56275
Re: What is the value of  [#permalink]

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13 Apr 2018, 05:40
Tulkin987 wrote:
What is the value of $$\sqrt{25-10\sqrt{6}}-\sqrt{25+10\sqrt{6}}$$?

A. -50
B. $$-20\sqrt{6}$$
C. $$-10\sqrt{6}$$
D. $$-2\sqrt{10}$$
E. $$2\sqrt{10}$$

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Re: What is the value of   [#permalink] 13 Apr 2018, 05:40
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