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A relation R is defined from set A = {1,...

A relation R is defined from set A = {1, 2, 3, 4} to set B= {5, 6, 7, 8} as follows:
`x Ry rArrx+y=8`
Find `R^-1` , the inverse relation of R. Also find the domain and range of `R^-1`.

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