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प्रश्न
If A = {p, q, r}, then number of subsets of A = ______.
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उत्तर
If A = {p, q, r}, then number of subsets of A = 2³ = 2×2×2 = 8
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संबंधित प्रश्न
Express the following sets in roster form:
F = Set of factors of 24.
Express the following sets in set- builder notation (form):
{3, 6, 9, 12, 15}
Express the following sets in set- builder notation (form):
{23, 25, 27, 29, … }
Express the following sets in set- builder notation (form):
`{1/3, 1/4, 1/5, 1/6, 1/7, 1/8}`
Express the following sets in set- builder notation (form):
{42, 49, 56, 63, 70, 77}
State whether the given pair of set is equal or equivalent.
P = {prime numbers which divide 70 exactly} and
Q = {prime numbers which divide 105 exactly}
State whether the given pair of set is equal or equivalent.
A = {0², 1², 2², 3², 4²} and B = {16, 9,4, 1, 0}.
If A = {5, 7, 8, 9}; then E = { } is a subset of A?
If P = {2, 3, 4, 5}; then B = { } is proper subset of P?
If P = {2, 3, 4, 5}; then D = {6, 5, 4} is proper subset of P?
