Question

1
. T
Example 4: Write the following sets in
description form and in set builder form.
1,111 11
a) 12'3'4"****10]
b) {1, 4, 9, 16, 25, ... , 100)
c) {-20, -15, -10,5, 0, 5, 10, 15, 20)
y 4​

Answer 1

Answer:

Step-by-step explanation:

{x : x is an even natural numbers less than 12}

(ii) {x : x is a prime numbers less than 12}

(iii) {x : x is a month whose name starts with letter J}

(iv) { x : x is a vowel in English alphabets}

(v) {x : x is a day of the week whose name starts with letter T}

(vi) {x : x is a perfect square natural number upto 25}

(vii) {x : x is a natural number upto 30 and divisible by 5}

2. (i) A = {x | x is an odd number less than 10}.

(ii) B = {x | x is a perfect square natural number between 15 and 65}

(iii) C = {x | x is a vowel in English small alphabet}.

(iv) D = {x | x is a color in rainbow}.

(v) E = {x | x is a month having 31 days}.