If A={3,6,9,12,15,18,21}, B={4,8,12,16,20}, C={2,4,6,8,10,12,14,16}, D={5,10,15,20} ; find A-B

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1.Set Theory

easy

If $A=\{3,6,9,12,15,18,21\}, B=\{4,8,12,16,20\},$ $C=\{2,4,6,8,10,12,14,16\}, D=\{5,10,15,20\} ;$ find

$A-B$

A

$\{ 3,6,9,15,18,21\} $

B

$\{ 3,6,9,15,18,21\} $

C

$\{ 3,6,9,15,18,21\} $

D

$\{ 3,6,9,15,18,21\} $

Solution

$A-B=\{3,6,9,15,18,21\}$

Standard 11

Mathematics

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