Sets of Numbers

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Sets of Numbers
Sets of Numbers

Sets of Numbers

Definitions:

N : Natural numbers

N : Whole numbers

Z : Integers

Z+ : Positive integers

Z : Negative integers

Q : Rational numbers

C : Complex numbers

Formulas:

Natural numbers (counting numbers )

N={1,2,3,}

Whole numbers ( counting numbers with zero )

N={,1,2,3,}

Integers ( whole numbers and their opposites and zero )

Z={,2,1,,1,2,}

Z+=N={1,2,}

Z={,3,2,1}

Z=ZZ

Irrational numbers: Non repeating and nonterminating integers

Real numbers: Union of rational and irrational numbers

Complex numbers:

C={x+iy | xR  and  yR}

NNZQRC

 

READ HERE  Complex Numbers (Definition, Formulas, Examples)

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