For the binary operation * on `Z` defined by `a*b=a+b+1` the identity element is

On the set Z of integers,if the binary operation * is defined by a*b=a+b+2 then find the identity element.

On the set Z of integers, if the binary operation * is defined by a*b= a+b+2 , then find the identity element.

Let * is a binary operation on Z defined as a * b = a + b - 5 find the identity element for * on z .

Let * be a binary operation on Zdefined by a*b=a+b- 15 for a,binZ . Find the identity element in (Z,*)

*be a binary operation on Q,defined as a**b=(3ab)/5 Find the identity element of *if any.

Consider the binary operation on Z defined by a ^(*)b=a-b . Then * is

Find the identity element for the binary operation * on Z defined as a*b = a + b-5. Also find the inverse element of 100.

Find the identity element for the binary operation * on Z defined as a*b = a + b-5. Also find the inverse element of 100.

For each binary operation * defined below, determine the identity element. On Q -{1} such that a*b= a +b -ab .

If the binary operation ** on the set ZZ is defined by a**b=a+b-5 , then the identity element with respect to ** is K . Find the value of K .