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State the Following Sets Are Finite Or Infinite: a = {X : X ∈ Z and X < 10} - Mathematics

Sum

State the following sets are finite or infinite:

A = {x : x ∈ Z and x < 10}

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Solution

A = {x : x ∈ Z and x < 10}

= {....., -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

= {9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, .....}

∴ It is an infinite set.

Concept: Types of Sets
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 6 Sets
Exercise 6 (B) | Q 3.1 | Page 67
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