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Xer in Math

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Xer in Math

Bucky

Active member
Sep 15, 2019
27
4
What does XER mean in maths? and are all positive and negative numbers ?

All replies will be appreciated.
 

medstudent

Member
Jun 1, 2020
21
3
x∈R means x is an element of R where x belongs to a real set of numbers and R means "the Real set of numbers"
 

Zain

Member
Dec 26, 2019
24
5
Xer or x \in \mathbb{R} in maths means that x is a real number belonging to a Real set of numbers (R). The real numbers basically consists of all numbers both positive and negative. Integers, zero, rational numbers and a range of other numbers can also be included. So basically, X ∈ R means x is an element of R.
 

LinkTainted

Member
Sep 29, 2019
9
1
the “e” looking symbol means “in”. the statement in your title means “x in R”. that’s literally it.

The xer statement precisely means x in R. x is an element in R
 

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