Back to Class XI Mathematics
Classes XI & XII Mathematics

Chapter 2: Relations and Functions

Standard NCERT & CBSE aligned study curriculum. Master concepts, track accuracy, revise weak areas, and challenge yourself with 9 customized practice modes.

Class Syllabus Selection

This topic is taught in multiple grades. Switch classes to see specific curriculum details:

Example 1

Cartesian Product

If set A has 3 elements and set B = {3, 4}, find the number of elements in A x B.

Calculation Steps:

  1. 1Identify size of A: n(A) = 3.
  2. 2Identify size of B: n(B) = 2.
  3. 3Apply formula: n(A x B) = n(A) * n(B).
  4. 4Calculation: 3 * 2 = 6 elements.
Solution6