A) \[2009\]
B) \[2011\]
C) \[1\]
D) \[2010\]
Correct Answer: D
Solution :
By inspection of binary operation (*) over; \[a*b=\frac{ab}{2010},\forall \,\,a,\,b,\,\in {{Q}^{+}}\] 2010 is the identity element. And also w e know that, the inverse of identity Hence, inverse of \[2010=2010\]You need to login to perform this action.
You will be redirected in
3 sec