sets A and B have 3 and 6 elements respectively. what can be the minimum number of elements in AUB

Question

sets A and B have 3 and 6 elements respectively. what can be the minimum number of elements in AUB

in progress 0
Trung Dũng 3 years 2021-07-30T03:09:20+00:00 1 Answers 14 views 0

Answers ( )

  1. kiet
    0
    2021-07-30T03:10:43+00:00
    Reply

    Answer:

    6

    Step-by-step explanation:

    n(AUB) = n(A) + n(B) – n(AnB)

    n(AUB) can have the minimum number of elements if n(AnB) has the maximum number of elements.

    n(AnB) maximum = 3

    so n(AUB) = 3+6-3 = 6

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )