Sets Class 11 Formulas & Notes | Vidyakul

# Sets Class 11 Formulas & Notes

## Class 11 Math Chapter 1 Sets Formulas & Notes - PDF Download

Sets Class 11 Formulas & Notes are cumulated by our panel of highly experienced teachers to provide the students with effective exam preparation. The pdf not only includes the list of formulae but also offer students with the summary of the chapter, important points to remember and detailed explanation of important concepts and derivations for better understanding and retaining of the chapter. Going through these Sets Class 11 Formulas & Notes would easily help students to grasp challenging concepts  which would ultimately lead them to score maximum marks in their exams.

### What do you understand by Sets?

A set is a well-defined collection of objects is known as set. All sets are collection of object but all collection cannot be a set. (i) Usually sets are denoted by capital letters A, B, C, X, Y, Z, etc. (ii) Elements or members of a set are represented by small letters a, b, c, x, y, z, etc. Let consider as set A = {a,b,c,d} Here a is an element of a set A, We will write a ∈ A, and read as “a is belongs to  A” . And ‘e’ is not an element of a set A, we write b ∉ A and read as “b does not belong to A”.