sm0ithtaHannsami sm0ithtaHannsami

15-08-2016
Mathematics

contestada

The set {-1, 0, 1} is not closed under which operation?

Respuesta :

15-08-2016

Hello,

if find the square root of a real is an operation then
√(-1)∉{-1,0,1}.

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Hussain514 Hussain514

16-08-2016

The set {-1, 0, 1} is NOT closed under subtraction.
-1- (0) = -1
But,
-1 - (1) = -2
Hence,The result -2 is not in the set.
I hope it helped.

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