Advertisements
Advertisements
Question
If M = {x : x ∈ N and x < 3}, then M has _____ proper subsets.
Advertisements
Solution
If M = {x: x ∈ N and x < 3}, = {1, 2}
Then M has proper subsets = 22 - 1 = 4 - 1 = 3
APPEARS IN
RELATED QUESTIONS
Express the following sets in roster form:
Set of odd whole numbers between 15 and 27.
Express the following sets in roster form:
Set of all integers between 7 and 94; which are divisible by 6.
Express the following sets in roster form:
E = Set of natural numbers below 30 which are divisible by 2 or 5.
Express the following sets in set- builder notation (form):
{3, 6, 9, 12, 15}
Express the following sets in set- builder notation (form):
{42, 49, 56, 63, 70, 77}
State, if the following pair of a set, is disjoint:
A = {natural numbers less than 10} and
B = {x : x is a multiple of 5}
Examine if the following set is the empty set:
{x + 3 = 2 and x ∈ N}
State true or false of the following statement:
The set of letters in your Mathematics book is an infinite set.
If A = {5, 7, 8, 9}; then B = {5, 8} is a subset of A?
If C = {0}, then number of subsets of C = _____.
