JEE RANKERS Series Day 1 40 DAYS JEE MIN Mathematics

SETS SET : A set is a collection of well defined objects which are distinct from each other Set are generally denoted by capital letters A, B, C,... etc. and the elements of the set by a, b, c. etc. If a is an element of a set A, then we write a e A and say a belongs to A. If a does not belong to A then we write a e A eg,. The collection of first five prime natural numbers is a set containing the elements 2, 3, 5, 7, 11.

SOME IMPORTANT NUMBER SETS N Set of all natural numbers WSet of all whole numbers Z or I set of all integers Z Set of all tve integers Z Set of all -ve integers Zo The set of all non-zero integers.

Q The set of all rational numbers. 20 R the set of all real numbers R-Q The set of all irrational numbers e.g. 12. v13 , 15. , e, log2 etc. are all irrational numbers. METHODS TO WRITE A SET: () Roster Method : In this method a set is described by listing elements, separated by commas and enclose then by curly brackets e.g. The set of vowels of English Alphabet may be described as a, e, i, o,u)

(l) Set Builder Form : In this case we write down a property or rule p Which gives us all the element of the set A={x : P(x)) A={x : x e N and x = 2n for n e N} A12, 4,6, e.g. i.e. e.g i.e

an Subscribe Sha

Enroll

23

✕Download

Vivek Kumar Pandey

IIT-JEE Mentor, NEET Mentor,
More than 10000+ Students taught by me.
Motivator for Students.
Worked with Top institutes in India.

U

Unacademy user

H

Harish

a month ago

easy understanding videos thank u madam

0

Reply

Saga raga

7 months ago

sir plz reply, i found ur profile today , ur courses look awesome, sir my physics and chemistry is almost prepare but im very weak in maths i had not practiced anything as i dont found a maths teacher before, but today i founded ur profile, sir i request u plz can u tell me which of ur courses in maths i should do so as to score minimum 60 marks in jee main , sir i have 20 days in my hand and my target is jee main only, ur profile has so many awesome courses , so im confused, plz plz plz plz can u tell me which of ur course covers all maths lessons important questions for jee main after doing that i can solve most questions in jee main plz help, im ready to work hard in maths, hope u will tell in detail , thanks a lot for all hardwork !!!!!!!!!!!!!!

1

Reply

Vivek Kumar Pandey

7 months ago

Hello dear buy 17 year chapterwise solution mathematics jee main book ... this time focus only on practice ... practice every chapter question. If u have doubt in any chapter then tell me .... I help u don't worrt

Vivek Kumar Pandey

7 months ago

10% Discount Buy Now
‘17 Years’ JEE MAIN Chapterwise Mathematics’ the book is a revised version and provides the detailed solutions on 16 chapters of Mathematics from 2002 to 2018. The manner in which the solutions have been made is easy to grasp. For self-evaluation, 10 Mock Tests is attached in the book along with free Online Practice as well to suit the students’ comfortability. Also, Solved Papers of Previous Years’ Questions (2015-2018) is charted along the book to familiarize students with the exam pattern. Designed as per the students’ perspective, it is a premium book to support the dream of leading success in the upcoming JEE MAIN.
https://amzn.to/2Oe0YaG