Q1 of 145 Page 15

State in each case whether A ⊂ B or A ⊄ B.

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


A ⊄ B

Explanation: A ⊄ B since 3∈A and 3∉B.


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1

State in each case whether A ⊂ B or A ⊄ B.

A = {0, 1, 2, 3,}, B = {1, 2, 3, 4, 5}


 1

State in each case whether A ⊂ B or A ⊄ B.

A =ϕ, B = {0}


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State in each case whether A ⊂ B or A ⊄ B.

A = {x : xϵZ, x2 = 1}, B = {x : x ϵ N, x2 = 1}


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State in each case whether A ⊂ B or A ⊄ B.

A = {x : x is an even natural number,}, B = {x : x is an integer}