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Grade: 12

                        

Write the following sets in roster form: (i) A = {x : x is an integer and –3 ≤ x (ii) B = {x : x is a natural number less than 6}

2 months ago

Answers : (1)

Anand Kumar Pandey
askIITians Faculty
1652 Points
							Welcome to AskIITians

i) A = {x : x is an integer and –3 ≤ x < 7}

Integers are …-5, -4, -3, -2, -2, 0, 1, 2, 3, 4, 5, 6, 7, 8,…..
but according to given conditions

A = {-3, -2, -1, 0, 1, 2, 3, 4, 5, 6}

(ii) B = {x : x is a natural number less than 6}

Natural numbers are 1, 2, 3, 4, 5, 6, 7, ……
But we need numbers to be less than 6 (also not equal to 6)
B = {1, 2, 3, 4, 5}

Thanks
2 months ago
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