Let A = {t, u, v, w}, and let s, be the set of all subsets of A that do not contain w, and S, the set of all subsets of A that contain w. (a) Find S,. (Enter your answer in set-roster notation. Enter EMPTY or Ø for the empty set.) (b) Find S2. (Enter your answer in set-roster notation. Enter EMPTY or Ø for the empty set.) (c) Are s, and S, disjoint? O Yes No (d) Compare the sizes of S, and S2. s, has ] elements, and S, has | | elements. Therefore, the size of s, -Select-- v the size of Sz. (e) How many elements are in S, u S,? (f) What is the relation between S, u S, and P(A)? O s, uS, is not a subset of P(A) O P(A) is not a subset of S, u S2 O P(A) is a proper subset of S, u S, O s, u Sz is equal to P(A) O s, usz is a proper subset of P(A)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Let A = {t, u, v, w}, and let S, be the set of all subsets of A that do not contain w, and S, the set of all subsets of A that contain w.
(a) Find S,. (Enter your answer in set-roster notation. Enter EMPTY or Ø for the empty set.)
(b) Find S,. (Enter your answer in set-roster notation. Enter EMPTY or Ø for the empty set.)
(c) Are S,
and
Sz disjoint?
Yes
O No
(d) Compare the sizes of S, and S,.
S, has
| elements, and S, has
| elements. Therefore, the size of s, --Select--
the size of S,.
(e) How many elements are in S, U S,?
(f) What is the relation between S, us, and P(A)?
s, u s, is not a subset of P(A)
O P(A) is not a subset of S, u S,
O P(A) is a proper subset of S, u S,
O s, us, is equal to P(A)
S, Us, is a proper subset of P(A)
Nood Heln2
Bend
Transcribed Image Text:Let A = {t, u, v, w}, and let S, be the set of all subsets of A that do not contain w, and S, the set of all subsets of A that contain w. (a) Find S,. (Enter your answer in set-roster notation. Enter EMPTY or Ø for the empty set.) (b) Find S,. (Enter your answer in set-roster notation. Enter EMPTY or Ø for the empty set.) (c) Are S, and Sz disjoint? Yes O No (d) Compare the sizes of S, and S,. S, has | elements, and S, has | elements. Therefore, the size of s, --Select-- the size of S,. (e) How many elements are in S, U S,? (f) What is the relation between S, us, and P(A)? s, u s, is not a subset of P(A) O P(A) is not a subset of S, u S, O P(A) is a proper subset of S, u S, O s, us, is equal to P(A) S, Us, is a proper subset of P(A) Nood Heln2 Bend
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