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Question -

मान लीजिए कि A = {a, b}, B = {a, b, c} क्या A ⊂ B? A ∪ B ज्ञात कीजिए।



Answer -

A = {a, b}, B = {a, b, c}। समुच्चय A के अवयव a, b समुच्चय B में भी है। 

A ⊂ B = A ∪ B = B और A ∪ B = {a, b} ∪ {a, b, c} = {a, b, c}

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