Check sibling questions

Let us take set A = {2, 3}

A × A × A = {2, 3} × {2, 3} × {2, 3}

   

Element

1 st element

{ 2 , 3} × { 2 , 3} × { 2 , 3}

(2, 2, 2)

2 nd element

{ 2 , 3} × { 2 , 3} × {2, 3 }

(2, 2, 3)

3 rd element

{ 2 , 3} × {2, 3 } × { 2 , 3}

(2, 3, 2)

4 th element

{ 2 , 3} × {2, 3 } × {2, 3 }

(2, 3, 3)

5 th element

{2, 3 } × { 2 , 3} × { 2 , 3}

(3, 2, 2)

6 th element

{2, 3 } × { 2 , 3} × {2, 3 }

(3, 2, 3)

7 th element

{2, 3 } × {2, 3 } × { 2 , 3}

(3, 3, 2)

8 th element

{2, 3 } × {2, 3 } × {2, 3 }

(3, 3, 3)

∴ A × A × A = {(2, 2, 2), (2, 2, 3), (2, 3, 2), (2, 3, 3), (3, 2, 2), (3, 2, 3), (3, 3, 2), (3, 3, 3)}

 

Note:

A × A × A = {(a,  b,  c) :  a,  b,  c ∈ A}.

Here (a,  b,  c) is called an  ordered triplet

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.