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# If x and y are integers, is x^y<y^x ?

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Intern
Joined: 10 Sep 2017
Posts: 10

Kudos [?]: 1 [0], given: 10

Concentration: Operations, Organizational Behavior
Re: If x and y are integers, is x^y<y^x ? [#permalink]

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01 Nov 2017, 23:59
The answer must be C because
the two of the conditions derived from the first equation is sufficient when x=2 or 4. But what about the value of x as 16.

Kudos [?]: 1 [0], given: 10

Math Expert
Joined: 02 Sep 2009
Posts: 42597

Kudos [?]: 135562 [0], given: 12699

Re: If x and y are integers, is x^y<y^x ? [#permalink]

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02 Nov 2017, 00:23
Jashan79 wrote:
The answer must be C because
the two of the conditions derived from the first equation is sufficient when x=2 or 4. But what about the value of x as 16.

It's not clear what you mean at all. The answer is A, not C. Please check the discussion. For example, this post: https://gmatclub.com/forum/if-x-and-y-a ... l#p1030984
_________________

Kudos [?]: 135562 [0], given: 12699

Re: If x and y are integers, is x^y<y^x ?   [#permalink] 02 Nov 2017, 00:23

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