Question

Set of integers x such that x=4= -4

Answer 1

Given :  x = 4 = - 4

To Find : Set of integers x

Solution:

x = 4 = - 4

x = 4

x = - 4

4 ≠ - 4

x = Ф

x = { }

x is an empty set or null set

Set of integers x is a NULL / EMPTY SET.

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Answer 2

Step-by-step explanation:

Given

X = 4 = -4

Ti find out

Set of X is integer

Solution set

Forming equation and solving it

X= 4 = -4

Now,

Substituting their values and find out

X = 4 = -4

So, once X = 4 and again X = -4

So, 4 is not equal to -4

Or,

4 doesn't belong to -4

So X becomes a null set

X = { }

Explore more !!

In mathematical analysis, a null set is a set that can be covered by a countable union of intervals of arbitrarily small total length. The notion of null set in set theory anticipates the development of Lebesgue measure since a null set necessarily has measure zero.