Expert Answer to "What does R mean in math?"

College
Physics
Advanced Physics

Zachery Mckee

Answered question

2022-11-30

What does

R

mean in math?

Answer & Explanation

Lucas Contreras

Beginner2022-12-01Added 11 answers

Real numbers:
As we know in mathematics, the alphabet

R

denotes the set of real numbers.
The real numbers are classified as:
Rational numbers: These numbers can be written as a ratio of two integers numbers, provided, a non-zero denominator.

Q = \frac{1}{2}, \frac{4}{5} . . .

Integer: These are negative, zero, or positive whole numbers that do not include fractions.

I = (. . . . - 3, - 2, - 1, 0, 1, 2, 3, 4 . . .)

Whole numbers: These are positive whole numbers including zero.

W = (0, 1, 2, 3, 4 . . .)

Natural numbers: These are positive whole numbers.

N = (1, 2, 3, 4 . . .)

Irrational numbers: These numbers cannot be written as a ratio of two integers numbers.For example

2, e, π . . . .

Hence, the meaning of

R

is explained.

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