If * is defined on the set R of all real numbers by `a*b=sqrt(a^2+b^2)` , find the identity element in R with respect to *.

If * is defined on the set R of all real numbers by *: a * b = sqrt(a^2 +b^2) , find the identity element, if exists in r with respect to *

If * defined on the set R of real numbers by a*b=(3a b)/7 , find the identity element in R for the binary operation *.

If * defined on the set R of real numbers by a*b= (3a b)/7 , find the identity element in R for the binary operation *.

If * defined on the set R of real numbers by a*b=(3ab)/(7), find the identity element in R for the binary operation *

Let * be a binary operation on the set S of all non-negative real numbers defined by a**b= sqrt(a^(2)+b^(2)) . Find the identity elements in S with respect to *.

A binary operation * is defined on the set R of all real numbers by the rule a*b=sqrt(a^(2)+b^(2)) for all a,b in R. Write the identity element for * on R.

A binary operation * is defined on the set R of all real numbers by the rule a*b= sqrt(a^2+b^2) for all a ,\ b in R . Write the identity element for * on Rdot

Let ast be a binary operation on the set of all real numbers R defined by aastb=a+b+a^2b for a, b R. Find the identity elements in R if exists.

Let *be a binary operation defined on R, the set of all real numbers, by a*b = sqrt(a^(2)+b^(2)), AA a, b in R. Show that is associative on R