Q3 of 162 Page 2

List all the elements of the following sets:

A={x:x2≤ 10, xZ}

First of all, x is an integer hence it can be positive and negative also.


X2 ≤ 10


X≤ √10


X =±1,±2,±3


A={±1,±2,±3}


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1

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The set of all letters in the word ‘Better.’

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Describe the following sets in set-builder form:

(i) A = {1,2,3,4,5,6}


(ii) B={1, 1/2 , 1/3, 1/4, 1/5,…..}


(iii) C={0,3,6,9,12,….}


(iv) D={10,11,12,13,14,15}


(v) E={0}


(vi) {1,4,9,16,…,100}


(vii) {2,4,6,8,….}


(viii) {5,25,125,625}

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3

List all the elements of the following sets:

C=