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Intern
Joined: 12 May 2023
Posts: 20
Given Kudos: 65
GRE 1: Q154 V154
For which values of x does the expression represe
[#permalink]
19 Sep 2023, 01:31
19 Sep 2023, 01:31
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50% (02:10) correct
50% (01:44) wrong based on 10 sessions
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For which values of x does the expression \(\sqrt{\frac{24}{x+1}}\) represent an irrational number?
A) 12.5
B) 36.5
C) 53
D) 71
E) 95
A) 12.5
B) 36.5
C) 53
D) 71
E) 95
Re: For which values of x does the expression represe
[#permalink]
19 Sep 2023, 02:56
19 Sep 2023, 02:56
Expert Reply
A number is rational ONLY IF its decimal representation is repeating or terminating.
In other words if we do have a number in the form 1.21212121 or 1.5 it is rational.
Otherwise is in the form for example \(\sqrt{5}\) = \(2.23606797749979\) it is irrational.
Of the answer choices as far as I can see only D has this pattern
In other words if we do have a number in the form 1.21212121 or 1.5 it is rational.
Otherwise is in the form for example \(\sqrt{5}\) = \(2.23606797749979\) it is irrational.
Of the answer choices as far as I can see only D has this pattern
gmatclubot
Re: For which values of x does the expression represe [#permalink]
19 Sep 2023, 02:56
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