A binary operation plus p l u s defined on the set of integers is such that m plus p l u s n = n + mn for all integers m and n. Find the inverse of -5 under...

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A binary operation $p l u s$ defined on the set of integers is such that m $p l u s$ n = n + mn for all integers m and n. Find the inverse of -5 under this operation, if the identity element is 0.

\frac{- 5}{4}

\frac{- 5}{6}

Binary Operations

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