Find the identify element for the binary operation *, defined on the set of Q of rational number, by `a * b =(ab)/(4)`

Is the binary operation ** defined on the set of rational numbers by the rule a**b=ab//4 associative ?

Let * be a operation defined on the set of non zero rational numbers by a * b = (ab)/4 Find the identity element.

Let * be a binary operation defined on the set of non-zero rational number, by a**b = (ab)/(4) . Find the identity element.

Select and write the correct alternative from those given below: Let * be a binary operation on Q, the set of rational numbers, defined by a*b=(ab)/(2), then * is

Define binary operation on a set. Verify whether the operation * is defined on Q set of rational number by a *b=ab+1, AA a,b in Q is binary or not.

Define binary operation on a set. Verify whether the operation * defined on Q set of rational number by a*b= ab+1 AA a,b in Q is commutative or assosiative.

A binary operation ** is defined on the set of positive rational number Q^(+) by a ** b =(ab)/4 . Then 3 ** (1/5 ** 1/2) is

Let * be a binary operation on the set Q of rational numbers as follows : a*b = (ab)/4 find is it commutative.

Let ∗ be a binary operation on the set Q of rational numbers as follows: a*b=a^b/4 find is it commutative?