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Question
(–1) is not a multiplicative identity of integers.
Options
True
False
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Solution
This statement is True.
Explanation:
1 is multiplicative identity for integers, i.e, a × 1 = 1 × a = a for any integer a.
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| Column I | Column II |
| (a) a × 1 | (i) Additive inverse of a |
| (b) 1 | (ii) Additive identity |
| (c) (–a) ÷ (–b) | (iii) Multiplicative identity |
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| (f) (–a) ÷ b | (vi) a |
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| (h) a ÷ (–a) | (viii) 0 |
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