true

Find the best tutors and institutes for Class 10 Tuition

Find Best Class 10 Tuition

Please select a Category.

Please select a Locality.

No matching category found.

No matching Locality found.

Outside India?

Numbers

Mohammad Alfateh
29/05/2017 0 0

Natural numbers N = {1, 2, 3, 4...........+∞}

Integers Z = {-∞........,-3, -2, -1, 0, 1, 2, 3, 4..........+∞}

Positive integers Z+ ={1, 2, 3, 4, ..........+∞}

Negative integers Z- ={-∞,..........-3, -2, -1}

Non - negative integers or Whole numbers = {0, 1, 2, 3, 4, ..........+∞}

Non - positive integers ={-∞,..........-3, -2, -1,0}

Rational numbers Q

All the numbers of the form p/q, where p an q are integers and b ≠ 0 are called rational numbers and their set is denoted by Q.

i.e. Q=p/q such that a, b ε Z and b≠0 and HCF of a,b is 1.

1. Every integer is a rational number as it could be written as Q=p/q

2. All recurring decimals are rational numbers e.g. Q= 1/3= 0.333333.

Irrational numbers Qc

Those values which neither terminate nor could be expressed as recurring decimals are called irrational numbers i.e. it cannot be expressed as p/q form, and are denoted by Qc

e.g. = 1.41421356237309.... , 1+ , -3/ ,

= 3.14159253.....

Real numbers R

The set which contain both rational and irrational are called real numbers and is denoted by R

R={ ,..............-2, -1, 0, 1, 2, 3, ......13/5, .....16/3.......+ }

0 Dislike
Follow 0

Please Enter a comment

Submit

Other Lessons for You

Find Best Class 10 Tuition ?

Find Now »

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 25 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 6.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more