The Cartesian product A × A has 9 elements among which are found (-1,0) and (0,1). R is a relation on A defined by R = {(x,y) : x+y = 0, where x,y∈ } (i) Write R in roster form (ii)Write the domain and range of R
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the the cartesian product a multiply I have 9 elements
among which are found 10 by 0 and 0 by 1 r is a relation on a defined by r
where write r in roster form write the domain and range of IR
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