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If x^2 = integer, is x always an integer

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Joined: 31 Dec 1969

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Location: Russian Federation
Concentration: Entrepreneurship, International Business
GMAT 3: 740 Q40 V50
GMAT 4: 700 Q48 V38
GMAT 5: 710 Q45 V41
GMAT 6: 680 Q47 V36
GMAT 9: 740 Q49 V42
GMAT 11: 500 Q47 V33
GMAT 14: 760 Q49 V44
WE: Supply Chain Management (Energy and Utilities)
If x^2 = integer, is x always an integer [#permalink]

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New post 04 Jul 2004, 21:41
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If x^2 = integer, is x always an integer?

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New post 04 Jul 2004, 21:44
if x^2= 3

x is not a integer

if x^2= 4

x is a integer
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Re: integer query [#permalink]

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New post 05 Jul 2004, 00:47
Anonymous wrote:
If x^2 = integer, is x always an integer?


Of course, not, for instance, x = sqrt(2), x^2 = 2.

Conversely, if x is an integer, x^2 is an also integer.
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New post 07 Jul 2004, 10:35
whenver it goz X^2 always head for any number just any number cos root of any numbr cud give U a perfect number which is an INTEGER...

for ex... root 2, root 3 and any root ... will giv ya the inetegr...

ash was perfect ans so was miss smashing ...

when X an integr ... IS X^2 an integer... then U will always have an integer cos an ineteger multiplied by the same is = integr...

hope that helps!
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  [#permalink] 07 Jul 2004, 10:35
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If x^2 = integer, is x always an integer

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