P10, SUBSETS, EXAMPLE 9,10&11 SOLUTIONS, CHAPTER SETS, CLASS 11, NCERT MATHS SOLUTION

Описание: P10, SUBSETS, EXAMPLE 9,10&11 SOLUTIONS, CHAPTER SETS, CLASS 11, NCERT MATHS SOLUTION

Example 9: Consider the sets
φ, A = { 1, 3 }, B = {1, 5, 9}, C = {1, 3, 5, 7, 9}.
Insert the symbol ⊂ or ⊄ between each of the following pair of sets:
(i) φ . . . B
(ii) A . . . B
(iii) A . . . C
(iv) B . . . C

Example 10: Let A = { a, e, i, o, u} and B = { a, b, c, d}.
Is A a subset of B ?
Is B a subset of A?

Example 11: Let A, B and C be three sets. If A ∈ B and B ⊂ C, is it true that A ⊂ C?. If not, give an example.

Power set :The collection of all subsets of a set A is called the power set of A. It is denoted by P(A). If the number of elements in A = n , i.e., n(A) = n, then the number of elements in P(A) = 2n .

Struggling with the concepts of Sets? This one-shot video is your ultimate guide to understanding the entire NCERT Chapter 1 on Sets. Perfect for CBSE Class 11 students preparing for school exams and building a strong JEE/NEET foundation.

What You Will Learn:

Fundamentals: Definition of a Set and its Representation (Roster and Set-Builder Form).

Types of Sets: Empty Set, Finite and Infinite Sets, Equal Sets, Subsets, and Power Sets.

Venn Diagrams and basic Operations on Sets (Union, Intersection, Difference, Complement).

Solving all key NCERT Examples and Exercise Questions.

Important results on the Number of Elements in Sets (Practical Problems).

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📚 Timestamps for Quick Navigation:

00:00 - QUESTION 1
04:30 - QUESTION 2
09:15 - QUESTION 3

🔗 Access Notes/Playlist:    • CLASS 11, SETS, CHAPTER 1, NCERT MATHS  


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