Math, asked by apparaopatnaikuni, 1 year ago

What is existance of inverse.Give some examples

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Answered by Anonymous

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With the exception of zero, reciprocals of every real number are real, reciprocals of every rational number are rational, and reciprocals of every complex number are complex. ... This multiplicative inverse exists if and only if a and n are coprime. For example, the inverse of 3 modulo 11 is 4 because 4 · 3 ≡ 1 (mod 11).

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