Tamil Nadu Board of Secondary EducationHSC Arts Class 11th

Write the following in roster form {x ∈ N : 4x + 9 < 52} - Mathematics

Sum

Write the following in roster form

{x ∈ N : 4x + 9 < 52}

Solution

4x + 9 < 52

4x + 9 – 9 < 52 – 9

4x < 43

x < 43/4 (i.e.) x < 10.75 4

But x ∈ N

∴ A = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

Concept: Cartesian Product
Is there an error in this question or solution?

APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 11th Mathematics Volume 1 and 2 Answers Guide
Chapter 1 Sets, Relations and Functions
Exercise 1.1 | Q 1. (iii) | Page 7