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Why ((3,4)) is sub set of A (1,2, (3,4),5) BUT (3,4) is not a sub set of A why? |
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Answer» (3,4)is not a subset of A ,,,we can say that it belongs to A..n if we done the whole bracket of (3,4)the we call it a subset otherwise it belongs to A... (3,4) is element of a and we write subset in curly bracket so ((3,4))is subset of a |
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