(i) If X, Y, Z are finite sets, then |XnYn Z°| = |Xn1- |XnYn Z|, where ?1 (i) If X, Y, Z are finite sets, then |XnYn Z°| = |X| – |Xn?n z°| - |X3nZ|- |XnYn ZI, where ?2 and ?3 (ii) A certain department of mathematics offers three elective courses: a course in abstract algebra (A), a course in mathematical biology (B), and a course in computer science (C). It is known that in a group of 43 students of the department: • 24 students took the course in abstract algebra (A), 16 students took the course in mathematical biology (B), and 26 students took the course in computer science (C • 16 students took both (A) and (C), 10 took (A) and (B), 10 took (B) and (C); • 8 took all three courses. Write A (resp. B, C) for the set of students who took the course (A) (resp. (B), (C)). (a) Use (i) to find the cardinalities of the fundamental products AnBnc", An B° nc, A°nBnc, of the sets A, B, C: |ANBNC"| = |AN Bº nC| = -
(i) If X, Y, Z are finite sets, then |XnYn Z°| = |Xn1- |XnYn Z|, where ?1 (i) If X, Y, Z are finite sets, then |XnYn Z°| = |X| – |Xn?n z°| - |X3nZ|- |XnYn ZI, where ?2 and ?3 (ii) A certain department of mathematics offers three elective courses: a course in abstract algebra (A), a course in mathematical biology (B), and a course in computer science (C). It is known that in a group of 43 students of the department: • 24 students took the course in abstract algebra (A), 16 students took the course in mathematical biology (B), and 26 students took the course in computer science (C • 16 students took both (A) and (C), 10 took (A) and (B), 10 took (B) and (C); • 8 took all three courses. Write A (resp. B, C) for the set of students who took the course (A) (resp. (B), (C)). (a) Use (i) to find the cardinalities of the fundamental products AnBnc", An B° nc, A°nBnc, of the sets A, B, C: |ANBNC"| = |AN Bº nC| = -
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 63RE
Related questions
Question
Discrete Mathematics
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning