1. Which of the following collections are sets ? (i) The collection of days in a week starting with S. (ii) The collection of natural numbers upto fifty. (iii) The collection of poems written by Tulsidas. (iv) The collection of fat students of your school.

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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1. Which of the following collections are sets ?
(i) The collection of days in a week starting with S.
(ii) The collection of natural numbers upto fifty.
(iii) The collection of poems written by Tulsidas.
EQ
(iv) The collection of fat students of your school.
(2) Insert the appropriate symbol in blank spaces.
If A= {1,2,3.
(i)
1. .A
(ii)
4. .A.
3. Write each of the following sets in the Roster form :
(i)
A = {x:xez and - 5 <x <0 }.
(ii)
B = {x:xeR and x2 – 1 = 0}.
C= {x: x is a letter of the word banana}.
D = {x : x is a prime number and exact divisor of 60}.
(iii)
(iv)
4. Write each of the following sets are in the set builder form ?
(i)
A = {2, 4, 6, 8, 10}
(ii) B = {3, 6, 9,.. }
(iii)
C = {2, 3, 5, 7}
(iv) D= {-V2, E}
%3D
Are A and B disjoints sets ?
5. Which of the following sets are finite and which are infinite ?
(i)
Set of lines which are parallel to a given line.
(ii)
Set of animals on the earth.
(iii) Set of Natural numbers less than or equal to fifty.
(iv) Set of points on a circle.
6. Which of the following are null set or singleton ?
(i) A= {x: xeR and x is a solution of x2 + 2 = 0}.
%3D
(i)
B = {x:xe Z and x is a solution of x - 3 = 0}.
= {x : xe Z and x is a solution of x2 - 2 = 0}.
(iv) D= {x: xis a student of your school studying in both the classes XI and XII }
7. In the following check whether A B or A B.
A = {a}, B = {x :x is an even prime number}.
A = {1, 2, 3, 4}, B = {x: x is a letter of the word guava}.
(i)
(ii)
(iii)
A = {x:x is a solution of x2 -5x+6=0},B = {2,3}.
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III 1g
Transcribed Image Text:1. Which of the following collections are sets ? (i) The collection of days in a week starting with S. (ii) The collection of natural numbers upto fifty. (iii) The collection of poems written by Tulsidas. EQ (iv) The collection of fat students of your school. (2) Insert the appropriate symbol in blank spaces. If A= {1,2,3. (i) 1. .A (ii) 4. .A. 3. Write each of the following sets in the Roster form : (i) A = {x:xez and - 5 <x <0 }. (ii) B = {x:xeR and x2 – 1 = 0}. C= {x: x is a letter of the word banana}. D = {x : x is a prime number and exact divisor of 60}. (iii) (iv) 4. Write each of the following sets are in the set builder form ? (i) A = {2, 4, 6, 8, 10} (ii) B = {3, 6, 9,.. } (iii) C = {2, 3, 5, 7} (iv) D= {-V2, E} %3D Are A and B disjoints sets ? 5. Which of the following sets are finite and which are infinite ? (i) Set of lines which are parallel to a given line. (ii) Set of animals on the earth. (iii) Set of Natural numbers less than or equal to fifty. (iv) Set of points on a circle. 6. Which of the following are null set or singleton ? (i) A= {x: xeR and x is a solution of x2 + 2 = 0}. %3D (i) B = {x:xe Z and x is a solution of x - 3 = 0}. = {x : xe Z and x is a solution of x2 - 2 = 0}. (iv) D= {x: xis a student of your school studying in both the classes XI and XII } 7. In the following check whether A B or A B. A = {a}, B = {x :x is an even prime number}. A = {1, 2, 3, 4}, B = {x: x is a letter of the word guava}. (i) (ii) (iii) A = {x:x is a solution of x2 -5x+6=0},B = {2,3}. م مسوحة ضوئيا ب CamScan ner III 1g
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