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If x \sqrt[5]{-37}, the which of the following must be true

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Sawant91
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If x \sqrt[5]{-37}, the which of the following must be true [#permalink] New post   Updated on: 13 Nov 2018, 14:59
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A
B
C
D
E

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If x=5√−37 then which of the following must be true?

A) √−x>2

B) x>−2

C) x2<4

D) x3<−8

E) x4>32
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D

Originally posted by Sawant91 on 13 Nov 2018, 11:53.
Last edited by Carcass on 13 Nov 2018, 14:59, edited 1 time in total.
Edited by Carcass
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Re: If x \sqrt[5]{-37}, the which of the following must be true [#permalink] New post   13 Nov 2018, 15:02
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Please format the question the proper way. It is crucial. A screenshot does not help.

read this how to do. It is not difficult
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AE
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Re: If x \sqrt[5]{-37}, the which of the following must be true [#permalink] New post   16 Nov 2018, 17:58
Can anyone provide explanation.
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sandy
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Re: If x \sqrt[5]{-37}, the which of the following must be true [#permalink] New post   19 Nov 2018, 14:41
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x=5√−37 can be rewitten as x5=−37. Now (−2)5=−32 and (−3)5=−243.

Hence x lies between −2 and −3. Now exmine all options one by one, only option D fits.
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Re: If x \sqrt[5]{-37}, the which of the following must be true [#permalink] New post   27 Nov 2018, 06:55
can i see the explanation
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Re: If x \sqrt[5]{-37}, the which of the following must be true [#permalink] New post   27 Nov 2018, 10:30
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Dear Sir,

sandy already provided it.

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gmatclubot
Re: If x \sqrt[5]{-37}, the which of the following must be true [#permalink]
27 Nov 2018, 10:30
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