If A -1-2-3- B -1-4-5- then A - B -A- 2-3B- 1-5C- 1-3D- 1-2-3

The correct option is A 2, 3 Given nbsp;A = 1, 2, 3, nbsp;B = 1, 4, 5 A B is the set of elements nbsp;of A which are not elements of B, or A B is th ...

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Standard IX

Mathematics

Venn Diagram

If A =1,2,3, ...

Question

If A = {1, 2, 3}, B = {1, 4, 5}, then A - B = _______ ?

{1, 5}

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{1, 2, 3}

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{2, 3}

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{1, 3}

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Solution

The correct option is C
{2, 3}

Given A = {1, 2, 3}, B = {1, 4, 5}

A - B is the set of elements of A which are not elements of B, or A - B is the set of elements only in A.

$\Rightarrow A - B = {1, 2, 3} - {1, 4, 5} = {2, 3}$

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If A = {1, 2, 3}, B = {1, 4, 5}, then A - B = _______ ?

The correct option is C {2, 3} Given A = {1, 2, 3}, B = {1, 4, 5} A - B is the set of elements of A which are not elements of B, or A - B is the set of elements only in A. ⇒A−B={1,2,3}−{1,4,5}={2,3}

The correct option is C
{2, 3}

Given A = {1, 2, 3}, B = {1, 4, 5}

A - B is the set of elements of A which are not elements of B, or A - B is the set of elements only in A.

$\Rightarrow A - B = {1, 2, 3} - {1, 4, 5} = {2, 3}$