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Find the Union of Each of the Following Pairs of Sets: a = {X: X Is a Natural Number and 1 < X ≤ 6} B = {X: X Is a Natural Number and 6 < X < 10} - Mathematics

Sum

Find the union of each of the following pairs of sets:

A = {xx is a natural number and 1 < x ≤ 6}  B = {xx is a natural number and 6 < x < 10}

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Solution

A = {xx is a natural number and 1 < x ≤ 6} = {2, 3, 4, 5, 6}

B = {xx is a natural number and 6 < x < 10} = {7, 8, 9}

A∪ B = {2, 3, 4, 5, 6, 7, 8, 9}

∴ A∪ B = {x: x ∈ N and 1 < x < 10}

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APPEARS IN

NCERT Class 11 Mathematics Textbook
Chapter 1 Sets
Exercise 1.4 | Q 1.4 | Page 17
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