Q. 15

Which of the following is the multiplicative identity for an integer a?
A. a

B. 1

C. 0

D. –1

Answer :

Option A is incorrect as a is not multiplicative identity for an integer a


Option B is the answer. Since, one is the multiplicative identity for any integer.


Option C is incorrect as 0 is not multiplicative identity for an integer a


Option D is incorrect as -1 is not multiplicative identity for an integer a

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