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What is the value
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07 Sep 2021, 07:45
07 Sep 2021, 07:45
Expert Reply
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Question Stats:
100% (01:02) correct
0% (00:00) wrong based on 2 sessions
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What is the value \((\sqrt{5+\sqrt{17}}-\sqrt{5-\sqrt{17}})^2\)
A.\(-6\)
B. \(0\)
C. \(2\)
D. \(10-4 \sqrt{2}\)
E. \(10-2 \sqrt{2}\)
A.\(-6\)
B. \(0\)
C. \(2\)
D. \(10-4 \sqrt{2}\)
E. \(10-2 \sqrt{2}\)
Retired Moderator
Joined: 19 Nov 2020
Posts: 326
Given Kudos: 64
GRE 1: Q160 V152
What is the value
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07 Sep 2021, 08:59
07 Sep 2021, 08:59
1
= \(5+\sqrt{17}+5-\sqrt{17}-2(\sqrt{25-17})\)
= \(10 - 2\sqrt{8}\)
answer is D
= \(10 - 2\sqrt{8}\)
answer is D
Carcass wrote:
What is the value \((\sqrt{5+\sqrt{17}}-\sqrt{5-\sqrt{17}})^2\)
A.\(-6\)
B. \(0\)
C. \(2\)
D. \(10-4 \sqrt{2}\)
E. \(10-2 \sqrt{2}\)
A.\(-6\)
B. \(0\)
C. \(2\)
D. \(10-4 \sqrt{2}\)
E. \(10-2 \sqrt{2}\)
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: What is the value
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07 Sep 2021, 09:27
07 Sep 2021, 09:27
1
1
Carcass wrote:
What is the value \((\sqrt{5+\sqrt{17}}-\sqrt{5-\sqrt{17}})^2\)
A.\(-6\)
B. \(0\)
C. \(2\)
D. \(10-4 \sqrt{2}\)
E. \(10-2 \sqrt{2}\)
A.\(-6\)
B. \(0\)
C. \(2\)
D. \(10-4 \sqrt{2}\)
E. \(10-2 \sqrt{2}\)
This would be a good time to call up that online calculator
