1
Question
Let
A = {a,
b},
B = {a,
b,
c}.
Is A ⊂
B? What is A ∪
B?
Let A = {a, b}, B = {a, b, c}. Is A ⊂ B? What is A ∪ B?
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Solution
Here,
A = {a,
b}
and B = {a,
b,
c}
Yes,
A ⊂
B.
A∪
B = {a,
b,
c}
= B
Here, A = {a, b} and B = {a, b, c}
Yes, A ⊂ B.
A∪ B = {a, b, c} = B
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