Question

Which of the following is incorrect?
1.N⊆W
2.I⊆Q
3.Q⊆W
4.W⊆R
please say the correct answer​

Answer 1

Step-by-step explanation:

N = {1,2,3…}

W = {0,1,2,…}

I = {…,-2,-1,0,1,2,…}

Q = all p/q form numbers where q≠0

R = all numbers

1.N⊆W True

2.I⊆Q True

3.Q⊆W False

4.W⊆R True

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