Question

If A = (a, b, c, d) and B = (a, b. c) then
(i) Find An B
(i) What is the cardinal number of P(B)?
(ili) Give an of X € P(A) such that B c X
(iv) What is n P(A U B)?

Answer 1

Answer:

1. AnB = (a,b,c)

2. cardinal number of p(B)= 3

because B = (a,b,c)

it is represented by n p(B)= 3

4. A=(a,b,c,d). B=(a,b,c)

p(AUB)= p(A) U P(B)

={(a,b,c,d) U (a,b,c)

= {a,b,c,d}

number "3" question is not defined clearly .

so sorry

you explained it clearly, then I will answer you

okkk