In each of (a)–(f), answer the following questions: Is A ⊆ B? Is B ⊆ A? Is either A or B a proper subset of the other?

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Chapter2: Second-order Linear Odes
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In each of (a)–(f), answer the following questions: Is A ⊆ B? Is B ⊆ A? Is either A or B a proper subset of the other?

(a) A = {3, {3}, (/3)?}, B = {3, {3}, {{3}}}
Is A C B?
O Yes
O No
Is B C A?
O Yes
O No
Is either A or Ba proper subset of the other?
O Yes, A is a proper subset of B.
O Yes, B is a proper subset of A.
O No, neither is a proper subset of the other.
(b) A = {3, V 52 – 42, 24 mod
17},8=
B = {8 mod 5}
Is A C B?
O Yes
O No
Is B C A?
O Yes
O No
Is either A or Ba proper subset of the other?
O Yes, A is a proper subset of B.
O Yes, B is a proper subset of A.
O No, neither is a proper subset of the other.
(c) A = {{1, 2}, {2, 3}}, B = {1, 2, 3}
Is A C B?
O Yes
O No
Is B C A?
O Yes
O No
Is either A or Ba proper subset of the other?
O Yes, A is a proper subset of B.
O Yes, B is a proper subset of A.
O No, neither is a proper subset of the other.
Transcribed Image Text:(a) A = {3, {3}, (/3)?}, B = {3, {3}, {{3}}} Is A C B? O Yes O No Is B C A? O Yes O No Is either A or Ba proper subset of the other? O Yes, A is a proper subset of B. O Yes, B is a proper subset of A. O No, neither is a proper subset of the other. (b) A = {3, V 52 – 42, 24 mod 17},8= B = {8 mod 5} Is A C B? O Yes O No Is B C A? O Yes O No Is either A or Ba proper subset of the other? O Yes, A is a proper subset of B. O Yes, B is a proper subset of A. O No, neither is a proper subset of the other. (c) A = {{1, 2}, {2, 3}}, B = {1, 2, 3} Is A C B? O Yes O No Is B C A? O Yes O No Is either A or Ba proper subset of the other? O Yes, A is a proper subset of B. O Yes, B is a proper subset of A. O No, neither is a proper subset of the other.
(d) A = {a, b, c}, B = {{a}, {b}, {c}}
Is A C B?
O Yes
O No
Is BC A?
O Yes
O No
Is either A or Ba proper subset of the other?
O Yes, A is a proper subset of B.
O Yes, B is a proper subset of A.
O No, neither is a proper subset of the other.
(e) A = {V36, {6}}, B = {6}
Is A C B?
O Yes
O No
Is B C A?
O Yes
O No
Is either A or Ba proper subset of the other?
O Yes, A is a proper subset of B.
O Yes, B is a proper subset of A.
O No, neither is a proper subset of the other.
(f) A = {x€ R | cos(x) E Z}, B = {x€ R | sin(x) E Z}
Is A C B?
O Yes
O No
Is B C A?
O Yes
O No
Is either A or Ba proper subset of the other?
O Yes, A is a proper subset of B.
O Yes, B is a proper subset of A.
O No, neither is a proper subset of the other.
Transcribed Image Text:(d) A = {a, b, c}, B = {{a}, {b}, {c}} Is A C B? O Yes O No Is BC A? O Yes O No Is either A or Ba proper subset of the other? O Yes, A is a proper subset of B. O Yes, B is a proper subset of A. O No, neither is a proper subset of the other. (e) A = {V36, {6}}, B = {6} Is A C B? O Yes O No Is B C A? O Yes O No Is either A or Ba proper subset of the other? O Yes, A is a proper subset of B. O Yes, B is a proper subset of A. O No, neither is a proper subset of the other. (f) A = {x€ R | cos(x) E Z}, B = {x€ R | sin(x) E Z} Is A C B? O Yes O No Is B C A? O Yes O No Is either A or Ba proper subset of the other? O Yes, A is a proper subset of B. O Yes, B is a proper subset of A. O No, neither is a proper subset of the other.
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