A binary operation (otimes) defined on the set of integers is such that m (otimes)…

A binary operation (otimes) defined on the set of integers is such that m (otimes) n = m + n + mn for all integers m and n. Find the inverse of -5 under this operation, if the identity element is 0
  • A.
    (frac{-5}{4})
  • B.
    (frac{-5}{6})
  • C.
    o
  • D.
    5
Correct Answer: Option D
Explanation
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