Q. 344.7( 3 Votes )

The identity elem A. 1

B. 0

C. 2

D. none of these

Answer :

Given that,

Let e be the identity element for * such that

a*e = e*a = a

Now,

⇒

⇒ 2a = ae

⇒ e = 2

Rate this question :

How useful is this solution?

We strive to provide quality solutions. Please rate us to serve you better.

Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts

Dedicated counsellor for each student

24X7 Doubt Resolution

Daily Report Card

Detailed Performance Evaluation

The identity elem A. 1B. 0C. 2D. none of these