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NCERT Solutions for Class 11 Maths Chapter 2 Ex 2.2

Get Free NCERT Solutions for Class 11 Maths Chapter 2 Relations and Functions Ex 2.2 PDF in Hindi and English Medium. Relations and Functions Class 11 Maths NCERT Solutions are extremely helpful while doing your homework. Relations and Functions Exercise 2.2 Class 11 Maths NCERT Solutions were prepared by Experienced LearnCBSE.in Teachers. Detailed answers of all the questions in Chapter 2 Class 11 Relations and Functions Ex 2.2 provided in NCERT Textbook.

Free download NCERT Solutions for Class 11 Maths Chapter 2 Relations and Functions Ex 2.2 PDF in Hindi Medium as well as in English Medium for CBSE, Uttarakhand, Bihar, MP Board, Gujarat Board, BIE, Intermediate and UP Board students, who are using NCERT Books based on updated CBSE Syllabus for the session 2019-20.

NCERT Solutions for Class 11 Maths Chapter 2 Ex 2.2

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NCERT Solutions for Class 11 Maths Chapter 2 Relations and Functions Ex 2.2
NCERT Solutions for Class 11 Maths Chapter 2 Relations and Functions Ex 2.2

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NCERT Solutions for Class 11 Maths Chapter 2 Relations and Functions Ex 2.2 in Hindi Medium

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Relations and Functions Class 11 Ex 2.2 in Hindi

प्रश्न 4.
दी हुई आकृति समुच्चय P से Q का एक संबंर दर्शाती है। इस संबंध को
(i) समुच्चय निर्माण रूप में
(ii) रोस्टर रूप में लिखिए। इसके प्रांत व परिसर क्या हैं ?
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NCERT Solutions for Class 11 Maths UP Board

हल:
(i) समुच्चय निर्माण रूप में, R = {(3, y) : y = x – 2, x = 5, 6, 7 के लिए}
(ii) रोस्टर रूप में, R = {(5, 3), (6, 4), (7, 5)}
प्रान्त = {5, 6, 7}
और परिसर = {3, 4, 5}.

प्रश्न 5.
मान लीजिए कि A= {1, 2, 3, 4, 6} मान लीजिए कि R, A पर {(a, b) : a, b ∈ A, संख्या a संख्या b को यथावथ विभाजित करती है। द्वारा परिभाषित एक संबंध है।
(i) R को रोस्टर रूप में लिखिए।
(ii) R का प्रांत ज्ञात कीजिए।
(iii) R का परिसर ज्ञात कीजिए।
हल:
दिया है :
A = {1, 2, 3, 4, 6}
R = {(a, b) : a, b ∈ A, a संख्या b को विभाजित करती है।
(i) रोस्टर रूप में, R = {(1, 1), (1, 2), (1, 3), (1, 4), (1, 6), (2, 2), (2, 4), (2, 6), (3, 3), (3, 6), (4, 4), (6, 6)}
(ii) R का प्रांत = {1, 2, 3, 4, 5, 6}
(iii) R का परिसर = {1, 2, 3, 4, 5, 6}.

प्रश्न 6.
R = {(x, x + 5) : x ∈ {0, 1, 2, 3, 4, 5}} द्वारा परिभाषित संबंध R के प्रांत और परिसर ज्ञात कीजिए।
हल:
R = {(x, x + 5) : x ∈ {, 1, 2, 3, 4, 5}} = {(0, 5), (1, 6), (2, 7), (3, 8), (4, 9), (5, 10)}
R का प्रांत = {0, 1, 2, 3, 4, 5}
R का परिसर : {5, 6; 7, 8, 9, 10}.

प्रश्न 7.
संबंध R = {(x, x3) : x संख्या 10 से कम एक अभाज्य संख्या है। को रोस्टर रूप में लिखिए।
हल:
10 से कम अभाज्य संख्याएँ 2, 3, 5, 7
रोस्टर रूप में, R = {(x, x3) : x एक अभाज्य संख्या है जो 10 से कम है।
= {(2, 8), (3, 27), (5, 125), (7, 343)}.

प्रश्न 8.
मान लीजिए कि A= {x, y, z} और B = {1, 2}, A से B के संबंधों की संख्या ज्ञात कीजिए।
हल:
दिया है। A = {x, y, z}, B = {1, 2}
A x B = {(x, 1), (x, 2), (y, 1), (y, 2), (z, 1), (z, 2)}
n(A x B) = 6
संबंधों की कुल संख्या = A x B के उपसमुच्चयों की संख्या = 26 = 64.

प्रश्न 9.
मान लीजिए कि R, Z पर, R= {(a, b) : a, b ∈ Z, a – b एक पूर्णाक है}, द्वारा परिभाषित एक संबंध है। R के प्रांत व परिसर ज्ञात कीजिए।
हल:
R समुच्चय Z पर एक संबंध है तथा R = {(a, b), a ∈ Z, b ∈ Z, a – b एक पूर्णांक संख्या है।
प्रांत (R) = Z
परिसर (R) = Z.

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