Business Math

Number system or Real Number System:

01. Natural Number: is denoted by N and N={1,2,3,…..,+α}

02. Positive Integers: is denoted by Z+ and Z+={1,2,3,…..,+α}

So, N is equivalent to Z+

03. Negative Integers: Z-={-1,-2,-3,…..,-α}

04. Integers: Z={0,±1, ±2, ±3,….., ±α}

05. Rational Number: Q={p/q: p,q €Z, q≠0}

06. Irrational Number: Q’

07. Real Number: R=QUQ’

08. Complex Number: C

09.Imaginary Number:

10. Odd Number: 2n+1

11. Even Number: 2n

12. Absolute Value of a Number: IaI=a

13. Prime Number:

14. Composite Number:

•Problem-10 at Page 30

 

Function and Relation:

Domain and Range of a Function:

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