Question

0. Let A = { Square, rectangle, triangle } Find the following
(i) n (A) (ii) n (p (A)] (iii) Number of proper subsets of A.​

Answer 1

Answer:

n(A) =3

n[p(A) ]=

p(a) =n(a) /n(s)

=n(a) =3

=n(s) =3

therefore p(a) = 3/3=1

n(p(a)) = 1