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# If a does not = 0, is 1/a > a/(b^4 + 3)

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Manager
Joined: 18 May 2016
Posts: 182
Location: India
GMAT 1: 710 Q48 V40
WE: Marketing (Education)
Re: If a does not = 0, is 1/a > a/(b^4 + 3)  [#permalink]

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19 Sep 2016, 21:37
Thanks a ton for quick response. how can b² be negative for a?? That's confusing. Am I missing something very basic here. Please throw some light.

Thanks again!

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Manager
Joined: 28 Jun 2016
Posts: 216
Concentration: Operations, Entrepreneurship
Re: If a does not = 0, is 1/a > a/(b^4 + 3)  [#permalink]

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19 Sep 2016, 21:44
b^2 is not negative but a can be negative or positive.

If a=-4 and b=2

a^2=b^4

(-4)^2 = 2^4

Similarly if a=4 and b =2

4^2 = 2^4

Here we cannot say for sure, whether a = 4 or -4 for b=2

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Re: If a does not = 0, is 1/a > a/(b^4 + 3)  [#permalink]

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26 Nov 2018, 12:17
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Re: If a does not = 0, is 1/a > a/(b^4 + 3)   [#permalink] 26 Nov 2018, 12:17

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