For a set A, the power set of A is denoted by 2A. If A = {5, {6}, {7}} – McqOptions

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1.	For a set A, the power set of A is denoted by 2A. If A = {5, {6}, {7}}, which of the following options are TRUE?I. Φ ϵ 2AII. Φ ⊆ 2AIII. {5, {6}} ∈ 2AIV. {5, {6}} ⊆ 2A
A.	I and III only
B.	II and III only
C.	I, II and III only
D.	I, II and IV only
Answer» D. I, II and IV only

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