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The Cartesian product A xxA has 9 eleme...

The Cartesian product `A xxA` has 9 elements among which are found `(-1," "0)" "a n d" "(0," "1)` . Find the set A and the remaining elements of `A xxA` .

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GIven,`(−1,0)&(0,1)inA⋅A`
`(−1,0)inA`
`(0,1)∈A `
`A⋅A={−1,0,1}⋅{−1,0,1} `
=`{(0,−1),(−1,0),(−1,1),(0,−1),(0,0),(0,1),(1,−1),(1,0),(1,1)}`
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