let A={a,b,c,d), B= (a, b, c } and C=( b,d}
find all sets x such that!
x⊂B and x⊂⊂
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⇒ Option 3 is true
as C⊇(A∩B)
⇒B∩C⊇(A∩B)
as A∩B
=ϕ
⇒B∩C
=ϕ
⇒ Option 4 is true.
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