Q. 235.0( 1 Vote )

Mark the correct A. 0

B. 1

C.

D. -1

Answer :

For Identity element a * e = a = e * a, with ‘e’ being the identity element.


Given a * b =a + b - ab


a * e =a + e – ae


=a


e(1-a) =0


e=0

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