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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