On the set of real numbers which of the following definitions of * defined a binary operation ?

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Solution

The correct option is D

$a * b = \sqrt{a^{2} + b^{2}}$ is a binary operation

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Similar questions

Which of the following is not a binary operation defined on the set of positive real numbers?

A binary operation can be defined only on the set of real numbers

Which of the following binary operations defined on the set of real numbers is not associative?

^{'} *^{'}

a * b = a + b - 2

^{'} *^{'}

*

a * b = a + b - 2

*

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