English

Let a = {3, 6, 12, 15, 18, 21}, B = {4, 8, 12, 16, 20}, C = {2, 4, 6, 8, 10, 12, 14, 16} and D = {5, 10, 15, 20}. Find: B − D - Mathematics

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Question

Let A = {3, 6, 12, 15, 18, 21}, B = {4, 8, 12, 16, 20}, C = {2, 4, 6, 8, 10, 12, 14, 16} and D = {5, 10, 15, 20}.

Find: \[B - D\]

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Solution

Given:
A = {3, 6, 12, 15, 18, 21}, B = {4, 8, 12, 16, 20}, C = {2, 4, 6, 8, 10, 12, 14, 16} and D = {5, 10, 15, 20} 

\[B - D\]= {4, 8, 12, 16}

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Chapter 1: Sets - Exercise 1.05 [Page 21]

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RD Sharma Mathematics [English] Class 11
Chapter 1 Sets
Exercise 1.05 | Q 4.8 | Page 21

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